1,3,4-Thiadiazole is a heterocyclic compound with a five-membered ring containing two nitrogen atoms and one sulfur atom. It has been studied for its diverse biological activities, including antifungal, antibacterial, antiviral, anti-inflammatory, and anticancer properties. The synthesis of 1,3,4-thiadiazole derivatives often involves reactions like cyclization of thioamides or condensation of hydrazines with carboxylic acids. Its importance lies in its ability to serve as a scaffold for developing new pharmaceuticals and agrochemicals. The presence of the thiadiazole ring imparts unique properties to the molecule, allowing for various modifications and the development of compounds with specific biological targets.'
1,3,4-thiadiazole: structure given in first source [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]
| ID Source | ID |
|---|---|
| PubMed CID | 119391 |
| CHEBI ID | 39472 |
| MeSH ID | M0164178 |
| Synonym |
|---|
| thiadiazole |
| 1,3,4-thiadiazole |
| CHEBI:39472 |
| 289-06-5 |
| AKOS006277879 |
| MBIZXFATKUQOOA-UHFFFAOYSA-N |
| [1,3,4]thiadiazole |
| unii-14iac3gh7g |
| 14iac3gh7g , |
| thiadiazole, 1,3,4- |
| DTXSID00183089 |
| Q27120327 |
| EN300-93326 |
| Z1198156558 |
| Excerpt | Reference | Relevance |
|---|---|---|
| " Thus, there is unmet medical need to develop safe drugs for the treatment of epilepsy with lower side effects and improved bioavailability profiles." | ( Molecular docking study, green synthesis and pharmacological evaluation of 1,3,4-thiadiazole derivatives as potential antiepileptic agents. Brahmkshatriya, PS; Dinda, SC; Panda, JR; Ravi Kumar, BV; Sahoo, BM, 2013) | 0.62 |
| " Besides, ADME results indicated that all compounds were potential orally bioavailable drug-like molecules." | ( Altıntop, MD; Kucukoglu, K; Nadaroglu, H; Sever, B, 2019) | 0.51 |
| Excerpt | Relevance | Reference |
|---|---|---|
| " The preliminary bioassay showed that most of the compounds had better antibacterial activity than the parent compounds, 1,3,4-thia(oxa)diazoles, at the dosage 50μg/mL toward five test bacteria." | ( Synthesis of novel nalidixic acid-based 1,3,4-thiadiazole and 1,3,4-oxadiazole derivatives as potent antibacterial agents. Aggarwal, N; Dureja, P; Khurana, JM; Kumar, R, 2012) | 0.65 |
| " The input data are included adsorbent dosage (g), contact time (min) and pollutant concentration (mg/l)." | ( Adaptive neuro-fuzzy inference system model for adsorption of 1,3,4-thiadiazole-2,5-dithiol onto gold nanoparticales-activated carbon. Ghaedi, AM; Ghaedi, M; Hosaininia, R; Taghizadeh, F; Vafaei, A, 2014) | 0.64 |
| " Time-course and dose-response effects revealed that 5-butyl-2-(2,4-dihydroxyphenyl)-1,3,4-thiadiazole produced its maximum anticonvulsant action at 15 min after its ip administration to mice." | ( Characterization and preliminary anticonvulsant assessment of some 1,3,4-thiadiazole derivatives. Karpińska, M; Luszczki, JJ; Matysiak, J; Niewiadomy, A, 2015) | 0.88 |
| Class | Description |
|---|---|
| thiadiazole | |
| [compound class information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res] | |
| Timeframe | Studies, This Drug (%) | All Drugs % |
|---|---|---|
| pre-1990 | 17 (7.46) | 18.7374 |
| 1990's | 1 (0.44) | 18.2507 |
| 2000's | 12 (5.26) | 29.6817 |
| 2010's | 133 (58.33) | 24.3611 |
| 2020's | 65 (28.51) | 2.80 |
| [information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023] | ||
According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be strong demand-to-supply ratio for research on this compound.
| This Compound (38.07) All Compounds (24.57) |
| Publication Type | This drug (%) | All Drugs (%) |
|---|---|---|
| Trials | 0 (0.00%) | 5.53% |
| Reviews | 8 (3.48%) | 6.00% |
| Case Studies | 0 (0.00%) | 4.05% |
| Observational | 0 (0.00%) | 0.25% |
| Other | 222 (96.52%) | 84.16% |
| [information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023] | ||
| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|---|---|---|---|---|
| gamma-aminobutyric acid gamma-Aminobutyric Acid: The most common inhibitory neurotransmitter in the central nervous system.. gamma-aminobutyric acid : A gamma-amino acid that is butanoic acid with the amino substituent located at C-4. | 2.08 | 1 | 0 | amino acid zwitterion; gamma-amino acid; monocarboxylic acid | human metabolite; neurotransmitter; Saccharomyces cerevisiae metabolite; signalling molecule |
| acetamide acetimidic acid : A carboximidic acid that is acetic acid in which the carbonyl oxygen is replaced by an imino group. | 2.5 | 2 | 0 | acetamides; carboximidic acid; monocarboxylic acid amide; N-acylammonia | |
| benzaldehyde [no description available] | 2.51 | 2 | 0 | benzaldehydes | EC 3.1.1.3 (triacylglycerol lipase) inhibitor; EC 3.5.5.1 (nitrilase) inhibitor; flavouring agent; fragrance; odorant receptor agonist; plant metabolite |
| benzene [no description available] | 7.41 | 1 | 0 | aromatic annulene; benzenes; volatile organic compound | carcinogenic agent; environmental contaminant; non-polar solvent |
| citric acid, anhydrous Citric Acid: A key intermediate in metabolism. It is an acid compound found in citrus fruits. The salts of citric acid (citrates) can be used as anticoagulants due to their calcium chelating ability.. citric acid : A tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2. It is an important metabolite in the pathway of all aerobic organisms. | 1.93 | 1 | 0 | tricarboxylic acid | antimicrobial agent; chelator; food acidity regulator; fundamental metabolite |
| gallic acid gallate : A trihydroxybenzoate that is the conjugate base of gallic acid. | 7.6 | 1 | 0 | trihydroxybenzoic acid | antineoplastic agent; antioxidant; apoptosis inducer; astringent; cyclooxygenase 2 inhibitor; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; geroprotector; human xenobiotic metabolite; plant metabolite |
| dimethyl sulfoxide Dimethyl Sulfoxide: A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.. dimethyl sulfoxide : A 2-carbon sulfoxide in which the sulfur atom has two methyl substituents. | 2.41 | 1 | 0 | sulfoxide; volatile organic compound | alkylating agent; antidote; Escherichia coli metabolite; geroprotector; MRI contrast agent; non-narcotic analgesic; polar aprotic solvent; radical scavenger |
| hydrogen cyanide Hydrogen Cyanide: Hydrogen cyanide (HCN); A toxic liquid or colorless gas. It is found in the smoke of various tobacco products and released by combustion of nitrogen-containing organic materials.. hydrogen cyanide : A one-carbon compound consisting of a methine group triple bonded to a nitrogen atom | 2.6 | 1 | 0 | hydracid; one-carbon compound | Escherichia coli metabolite; human metabolite; poison |
| hydrogen carbonate Bicarbonates: Inorganic salts that contain the -HCO3 radical. They are an important factor in determining the pH of the blood and the concentration of bicarbonate ions is regulated by the kidney. Levels in the blood are an index of the alkali reserve or buffering capacity.. hydrogencarbonate : The carbon oxoanion resulting from the removal of a proton from carbonic acid. | 1.93 | 1 | 0 | carbon oxoanion | cofactor; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| hydrogen Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 7.05 | 1 | 0 | elemental hydrogen; elemental molecule; gas molecular entity | antioxidant; electron donor; food packaging gas; fuel; human metabolite |
| thioctic acid Thioctic Acid: An octanoic acid bridged with two sulfurs so that it is sometimes also called a pentanoic acid in some naming schemes. It is biosynthesized by cleavage of LINOLEIC ACID and is a coenzyme of oxoglutarate dehydrogenase (KETOGLUTARATE DEHYDROGENASE COMPLEX). It is used in DIETARY SUPPLEMENTS. | 2.17 | 1 | 0 | dithiolanes; heterocyclic fatty acid; thia fatty acid | fundamental metabolite; geroprotector |
| melatonin [no description available] | 2.11 | 1 | 0 | acetamides; tryptamines | anticonvulsant; central nervous system depressant; geroprotector; hormone; human metabolite; immunological adjuvant; mouse metabolite; radical scavenger |
| nickel Nickel: A trace element with the atomic symbol Ni, atomic number 28, and atomic weight 58.69. It is a cofactor of the enzyme UREASE.. nickel ion : A nickel atom having a net electric charge.. nickel atom : Chemical element (nickel group element atom) with atomic number 28. | 7.11 | 1 | 0 | metal allergen; nickel group element atom | epitope; micronutrient |
| niacinamide nicotinamide : A pyridinecarboxamide that is pyridine in which the hydrogen at position 3 is replaced by a carboxamide group. | 1.93 | 1 | 0 | pyridine alkaloid; pyridinecarboxamide; vitamin B3 | anti-inflammatory agent; antioxidant; cofactor; EC 2.4.2.30 (NAD(+) ADP-ribosyltransferase) inhibitor; EC 3.5.1.98 (histone deacetylase) inhibitor; Escherichia coli metabolite; geroprotector; human urinary metabolite; metabolite; mouse metabolite; neuroprotective agent; Saccharomyces cerevisiae metabolite; Sir2 inhibitor |
| niacin Niacin: A water-soluble vitamin of the B complex occurring in various animal and plant tissues. It is required by the body for the formation of coenzymes NAD and NADP. It has PELLAGRA-curative, vasodilating, and antilipemic properties.. vitamin B3 : Any member of a group of vitamers that belong to the chemical structural class called pyridines that exhibit biological activity against vitamin B3 deficiency. Vitamin B3 deficiency causes a condition known as pellagra whose symptoms include depression, dermatitis and diarrhea. The vitamers include nicotinic acid and nicotinamide (and their ionized and salt forms).. nicotinic acid : A pyridinemonocarboxylic acid that is pyridine in which the hydrogen at position 3 is replaced by a carboxy group. | 1.93 | 1 | 0 | pyridine alkaloid; pyridinemonocarboxylic acid; vitamin B3 | antidote; antilipemic drug; EC 3.5.1.19 (nicotinamidase) inhibitor; Escherichia coli metabolite; human urinary metabolite; metabolite; mouse metabolite; plant metabolite; vasodilator agent |
| pyrazinamide pyrazinecarboxamide : A monocarboxylic acid amide resulting from the formal condensation of the carboxy group of pyrazinoic acid (pyrazine-2-carboxylic acid) with ammonia. A prodrug for pyrazinoic acid, pyrazinecarboxamide is used as part of multidrug regimens for the treatment of tuberculosis. | 1.98 | 1 | 0 | monocarboxylic acid amide; N-acylammonia; pyrazines | antitubercular agent; prodrug |
| pyrazole 1H-pyrazole : The 1H-tautomer of pyrazole. | 7.08 | 1 | 0 | pyrazole | |
| pyridine azine : An organonitrogen compound of general structure RCH=N-N=CHR or RR'C=N-N=CRR'. | 2.38 | 2 | 0 | azaarene; mancude organic heteromonocyclic parent; monocyclic heteroarene; pyridines | environmental contaminant; NMR chemical shift reference compound |
| toluene methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 2.1 | 1 | 0 | methylbenzene; toluenes; volatile organic compound | cholinergic antagonist; fuel additive; neurotoxin; non-polar solvent |
| urea pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 7.79 | 3 | 0 | isourea; monocarboxylic acid amide; one-carbon compound | Daphnia magna metabolite; Escherichia coli metabolite; fertilizer; flour treatment agent; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| vanillin Vanilla: A plant genus of the family ORCHIDACEAE that is the source of the familiar flavoring used in foods and medicines (FLAVORING AGENTS). | 7.25 | 1 | 0 | benzaldehydes; monomethoxybenzene; phenols | anti-inflammatory agent; anticonvulsant; antioxidant; flavouring agent; plant metabolite |
| amitrole Amitrole: A non-selective post-emergence, translocated herbicide. According to the Seventh Annual Report on Carcinogens (PB95-109781, 1994) this substance may reasonably be anticipated to be a carcinogen. (From Merck Index, 12th ed) It is an irreversible inhibitor of CATALASE, and thus impairs activity of peroxisomes.. amitrole : A member of the class of triazoles that is 1H-1,2,4-triazole substituted by an amino group at position 3. Used to control annual grasses and aquatic weeds (but not on food crops because it causes cancer in laboratory animals). Its use within the EU was banned from September 2017 on the grounds of potential groundwater contamination and risks to aquatic life; there have also been concerns about its endocrine-disrupting properties. | 2.07 | 1 | 0 | aromatic amine; triazoles | carotenoid biosynthesis inhibitor; EC 1.11.1.6 (catalase) inhibitor; herbicide |
| tacrine Tacrine: A cholinesterase inhibitor that crosses the blood-brain barrier. Tacrine has been used to counter the effects of muscle relaxants, as a respiratory stimulant, and in the treatment of Alzheimer's disease and other central nervous system disorders.. tacrine : A member of the class of acridines that is 1,2,3,4-tetrahydroacridine substituted by an amino group at position 9. It is used in the treatment of Alzheimer's disease. | 2.25 | 1 | 0 | acridines; aromatic amine | EC 3.1.1.7 (acetylcholinesterase) inhibitor |
| acetaminophen Acetaminophen: Analgesic antipyretic derivative of acetanilide. It has weak anti-inflammatory properties and is used as a common analgesic, but may cause liver, blood cell, and kidney damage.. paracetamol : A member of the class of phenols that is 4-aminophenol in which one of the hydrogens attached to the amino group has been replaced by an acetyl group. | 2.41 | 1 | 0 | acetamides; phenols | antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; cyclooxygenase 3 inhibitor; environmental contaminant; ferroptosis inducer; geroprotector; hepatotoxic agent; human blood serum metabolite; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
| acetazolamide Acetazolamide: One of the CARBONIC ANHYDRASE INHIBITORS that is sometimes effective against absence seizures. It is sometimes useful also as an adjunct in the treatment of tonic-clonic, myoclonic, and atonic seizures, particularly in women whose seizures occur or are exacerbated at specific times in the menstrual cycle. However, its usefulness is transient often because of rapid development of tolerance. Its antiepileptic effect may be due to its inhibitory effect on brain carbonic anhydrase, which leads to an increased transneuronal chloride gradient, increased chloride current, and increased inhibition. (From Smith and Reynard, Textbook of Pharmacology, 1991, p337) | 3.64 | 10 | 0 | monocarboxylic acid amide; sulfonamide; thiadiazoles | anticonvulsant; diuretic; EC 4.2.1.1 (carbonic anhydrase) inhibitor |
| celecoxib [no description available] | 2.25 | 1 | 0 | organofluorine compound; pyrazoles; sulfonamide; toluenes | cyclooxygenase 2 inhibitor; geroprotector; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
| ciprofloxacin Ciprofloxacin: A broad-spectrum antimicrobial carboxyfluoroquinoline.. ciprofloxacin : A quinolone that is quinolin-4(1H)-one bearing cyclopropyl, carboxylic acid, fluoro and piperazin-1-yl substituents at positions 1, 3, 6 and 7, respectively. | 7.25 | 1 | 0 | aminoquinoline; cyclopropanes; fluoroquinolone antibiotic; N-arylpiperazine; quinolinemonocarboxylic acid; quinolone antibiotic; quinolone; zwitterion | antibacterial drug; antiinfective agent; antimicrobial agent; DNA synthesis inhibitor; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; environmental contaminant; topoisomerase IV inhibitor; xenobiotic |
| clotrimazole [no description available] | 2.07 | 1 | 0 | conazole antifungal drug; imidazole antifungal drug; imidazoles; monochlorobenzenes | antiinfective agent; environmental contaminant; xenobiotic |
| ebselen ebselen : A benzoselenazole that is 1,2-benzoselenazol-3-one carrying an additional phenyl substituent at position 2. Acts as a mimic of glutathione peroxidase. | 2.11 | 1 | 0 | benzoselenazole | anti-inflammatory drug; antibacterial agent; anticoronaviral agent; antifungal agent; antineoplastic agent; antioxidant; apoptosis inducer; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor; EC 1.3.1.8 [acyl-CoA dehydrogenase (NADP(+))] inhibitor; EC 1.8.1.12 (trypanothione-disulfide reductase) inhibitor; EC 2.5.1.7 (UDP-N-acetylglucosamine 1-carboxyvinyltransferase) inhibitor; EC 2.7.10.1 (receptor protein-tyrosine kinase) inhibitor; EC 3.1.3.25 (inositol-phosphate phosphatase) inhibitor; EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor; EC 3.5.4.1 (cytosine deaminase) inhibitor; EC 5.1.3.2 (UDP-glucose 4-epimerase) inhibitor; enzyme mimic; ferroptosis inhibitor; genotoxin; hepatoprotective agent; neuroprotective agent; radical scavenger |
| fluorouracil Fluorouracil: A pyrimidine analog that is an antineoplastic antimetabolite. It interferes with DNA synthesis by blocking the THYMIDYLATE SYNTHETASE conversion of deoxyuridylic acid to thymidylic acid.. 5-fluorouracil : A nucleobase analogue that is uracil in which the hydrogen at position 5 is replaced by fluorine. It is an antineoplastic agent which acts as an antimetabolite - following conversion to the active deoxynucleotide, it inhibits DNA synthesis (by blocking the conversion of deoxyuridylic acid to thymidylic acid by the cellular enzyme thymidylate synthetase) and so slows tumour growth. | 2.55 | 2 | 0 | nucleobase analogue; organofluorine compound | antimetabolite; antineoplastic agent; environmental contaminant; immunosuppressive agent; radiosensitizing agent; xenobiotic |
| furazolidone Furazolidone: A nitrofuran derivative with antiprotozoal and antibacterial activity. Furazolidone acts by gradual inhibition of monoamine oxidase. (From Martindale, The Extra Pharmacopoeia, 30th ed, p514). furazolidone : A member of the class of oxazolidines that is 1,3-oxazolidin-2-one in which the hydrogen attached to the nitrogen is replaced by an N-{[(5-nitro-2-furyl)methylene]amino} group. It has antibacterial and antiprotozoal properties, and is used in the treatment of giardiasis and cholera. | 1.94 | 1 | 0 | nitrofuran antibiotic; oxazolidines | antibacterial drug; antiinfective agent; antitrichomonal drug; EC 1.4.3.4 (monoamine oxidase) inhibitor |
| ethidium Ethidium: A trypanocidal agent and possible antiviral agent that is widely used in experimental cell biology and biochemistry. Ethidium has several experimentally useful properties including binding to nucleic acids, noncompetitive inhibition of nicotinic acetylcholine receptors, and fluorescence among others. It is most commonly used as the bromide.. ethidium : The fluorescent compound widely used in experimental cell biology and biochemistry to reveal double-stranded DNA and RNA. | 2.13 | 1 | 0 | phenanthridines | fluorochrome; intercalator |
| indomethacin Indomethacin: A non-steroidal anti-inflammatory agent (NSAID) that inhibits CYCLOOXYGENASE, which is necessary for the formation of PROSTAGLANDINS and other AUTACOIDS. It also inhibits the motility of POLYMORPHONUCLEAR LEUKOCYTES.. indometacin : A member of the class of indole-3-acetic acids that is indole-3-acetic acid in which the indole ring is substituted at positions 1, 2 and 5 by p-chlorobenzoyl, methyl, and methoxy groups, respectively. A non-steroidal anti-inflammatory drug, it is used in the treatment of musculoskeletal and joint disorders including osteoarthritis, rheumatoid arthritis, gout, bursitis and tendinitis. | 2.03 | 1 | 0 | aromatic ether; indole-3-acetic acids; monochlorobenzenes; N-acylindole | analgesic; drug metabolite; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; gout suppressant; non-steroidal anti-inflammatory drug; xenobiotic metabolite; xenobiotic |
| isoniazid Hydra: A genus of freshwater polyps in the family Hydridae, order Hydroida, class HYDROZOA. They are of special interest because of their complex organization and because their adult organization corresponds roughly to the gastrula of higher animals.. hydrazide : Compounds derived from oxoacids RkE(=O)l(OH)m (l =/= 0) by replacing -OH by -NRNR2 (R groups are commonly H). (IUPAC). | 7.05 | 1 | 0 | carbohydrazide | antitubercular agent; drug allergen |
| nalidixic acid [no description available] | 7.07 | 1 | 0 | 1,8-naphthyridine derivative; monocarboxylic acid; quinolone antibiotic | antibacterial drug; antimicrobial agent; DNA synthesis inhibitor |
| carbamylhydrazine carbamylhydrazine: RN given refers to parent cpd | 2.06 | 1 | 0 | carbohydrazide; monocarboxylic acid amide; one-carbon compound; ureas | |
| sulfamethizole Sulfamethizole: A sulfathiazole antibacterial agent.. sulfamethizole : A sulfonamide consisting of a 1,3,4-thiadiazole nucleus with a methyl substituent at C-5 and a 4-aminobenzenesulfonamido group at C-2. | 2.05 | 1 | 0 | sulfonamide antibiotic; sulfonamide; thiadiazoles | antiinfective agent; antimicrobial agent; drug allergen; EC 2.5.1.15 (dihydropteroate synthase) inhibitor |
| sulfanilamide [no description available] | 3.18 | 6 | 0 | substituted aniline; sulfonamide antibiotic; sulfonamide | antibacterial agent; drug allergen; EC 4.2.1.1 (carbonic anhydrase) inhibitor |
| penicillin g Penicillin G: A penicillin derivative commonly used in the form of its sodium or potassium salts in the treatment of a variety of infections. It is effective against most gram-positive bacteria and against gram-negative cocci. It has also been used as an experimental convulsant because of its actions on GAMMA-AMINOBUTYRIC ACID mediated synaptic transmission.. benzylpenicillin : A penicillin in which the substituent at position 6 of the penam ring is a phenylacetamido group. | 2.07 | 1 | 0 | penicillin allergen; penicillin | antibacterial drug; drug allergen; epitope |
| pentylenetetrazole Pentylenetetrazole: A pharmaceutical agent that displays activity as a central nervous system and respiratory stimulant. It is considered a non-competitive GAMMA-AMINOBUTYRIC ACID antagonist. Pentylenetetrazole has been used experimentally to study seizure phenomenon and to identify pharmaceuticals that may control seizure susceptibility.. pentetrazol : An organic heterobicyclic compound that is 1H-tetrazole in which the hydrogens at positions 1 and 5 are replaced by a pentane-1,5-diyl group. A central and respiratory stimulant, it was formerly used for the treatment of cough and other respiratory tract disorders, cardiovascular disorders including hypotension, and pruritis. | 2.08 | 1 | 0 | organic heterobicyclic compound; organonitrogen heterocyclic compound | |
| adenosine diphosphate Adenosine Diphosphate: Adenosine 5'-(trihydrogen diphosphate). An adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position. | 2.08 | 1 | 0 | adenosine 5'-phosphate; purine ribonucleoside 5'-diphosphate | fundamental metabolite; human metabolite |
| benzoxazolone benzoxazolone: RN given refers to parent cpd; structure. 2-benzoxazolinone : A member of the class of benzoxazoles that is 2,3-dihydro-1,3-benzoxazole carrying an oxo group at position 2. | 2.03 | 1 | 0 | benzoxazole | allelochemical; phytoalexin |
| methionine Methionine: A sulfur-containing essential L-amino acid that is important in many body functions.. methionine : A sulfur-containing amino acid that is butyric acid bearing an amino substituent at position 2 and a methylthio substituent at position 4. | 2.51 | 2 | 0 | aspartate family amino acid; L-alpha-amino acid; methionine zwitterion; methionine; proteinogenic amino acid | antidote to paracetamol poisoning; human metabolite; micronutrient; mouse metabolite; nutraceutical |
| phenylalanine Phenylalanine: An essential aromatic amino acid that is a precursor of MELANIN; DOPAMINE; noradrenalin (NOREPINEPHRINE), and THYROXINE.. L-phenylalanine : The L-enantiomer of phenylalanine.. phenylalanine : An aromatic amino acid that is alanine in which one of the methyl hydrogens is substituted by a phenyl group. | 7.05 | 1 | 0 | amino acid zwitterion; erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid; phenylalanine; proteinogenic amino acid | algal metabolite; EC 3.1.3.1 (alkaline phosphatase) inhibitor; Escherichia coli metabolite; human xenobiotic metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
| asparagine Asparagine: A non-essential amino acid that is involved in the metabolic control of cell functions in nerve and brain tissue. It is biosynthesized from ASPARTIC ACID and AMMONIA by asparagine synthetase. (From Concise Encyclopedia Biochemistry and Molecular Biology, 3rd ed). asparagine : An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 2-amino-2-oxoethyl group. | 2.06 | 1 | 0 | amino acid zwitterion; asparagine; aspartate family amino acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
| picric acid picric acid: used as antiseptic, astringent & stimulant for epitheliazation; structure. picric acid : A C-nitro compound comprising phenol having three nitro substtituents at the 2-, 4- and 6-positions. | 2.82 | 2 | 0 | C-nitro compound | antiseptic drug; explosive; fixative |
| isatin tribulin: endogenous MONOAMINE OXIDASE inhibitory activity extractable into ethyl acetate found in brain and many mammalian tissues and fluids; ISATIN is a major component; produced in excess following alcohol withdrawal; | 2.49 | 2 | 0 | indoledione | EC 1.4.3.4 (monoamine oxidase) inhibitor; plant metabolite |
| diphenyl diphenyl: RN given refers to unlabeled cpd; structure | 7.41 | 1 | 0 | aromatic fungicide; benzenes; biphenyls | antifungal agrochemical; antimicrobial food preservative |
| xanthenes Xanthenes: Compounds with three aromatic rings in linear arrangement with an OXYGEN in the center ring. | 2.05 | 1 | 0 | xanthene | |
| benzothiazole benzothiazole: structure. benzothiazole : An organic heterobicyclic compound that is a fusion product between benzene and thiazole. The parent of the class of benzothiazoles. | 7.08 | 1 | 0 | benzothiazoles | environmental contaminant; plant metabolite; xenobiotic |
| ethyl bromoacetate [no description available] | 2.06 | 1 | 0 | ||
| pyrroles 1H-pyrrole : A tautomer of pyrrole that has the double bonds at positions 2 and 4.. pyrrole : A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.. azole : Any monocyclic heteroarene consisting of a five-membered ring containing nitrogen. Azoles can also contain one or more other non-carbon atoms, such as nitrogen, sulfur or oxygen. | 2.11 | 1 | 0 | pyrrole; secondary amine | |
| thiophenes Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 2.07 | 1 | 0 | mancude organic heteromonocyclic parent; monocyclic heteroarene; thiophenes; volatile organic compound | non-polar solvent |
| 2'-hydroxyacetophenone 2-acetylphenol : A monohydroxyacetophenone that is acetophenone in which one of the hydrogens ortho to the acetyl group has been replaced by a hydroxy group. | 7.08 | 1 | 0 | monohydroxyacetophenone; phenols | flavouring agent |
| meglumine Meglumine: 1-Deoxy-1-(methylamino)-D-glucitol. A derivative of sorbitol in which the hydroxyl group in position 1 is replaced by a methylamino group. Often used in conjunction with iodinated organic compounds as contrast medium.. N-methylglucamine : A hexosamine that is D-glucitol in which the hydroxy group at position 1 is substituted by the nitrogen of a methylamino group. A crystalline base, it is used in preparing salts of certain acids for use as diagnostic radiopaque media, while its antimonate is used as an antiprotozoal in the treatment of leishmaniasis. | 2.07 | 1 | 0 | hexosamine; secondary amino compound | |
| acridines Acridines: Compounds that include the structure of acridine.. acridine : A polycyclic heteroarene that is anthracene in which one of the central CH groups is replaced by a nitrogen atom. | 2.25 | 1 | 0 | acridines; mancude organic heterotricyclic parent; polycyclic heteroarene | genotoxin |
| benzoxazoles 1,3-benzoxazole : A benzoxazole in which the benzene ring is fused to a 1,3-oxazole ring across positions 4 and 5.. benzoxazole : Compounds based on a fused 1,2- or 1,3-oxazole and benzene bicyclic ring skeleton. | 2.03 | 1 | 0 | 1,3-benzoxazoles; mancude organic heterobicyclic parent | |
| adamantane Adamantane: A tricyclo bridged hydrocarbon. | 7.31 | 1 | 0 | adamantanes; polycyclic alkane | |
| oxazoles Oxazoles: Five-membered heterocyclic ring structures containing an oxygen in the 1-position and a nitrogen in the 3-position, in distinction from ISOXAZOLES where they are at the 1,2 positions.. 1,3-oxazole : A five-membered monocyclic heteroarene that is an analogue of cyclopentadiene with O in place of CH2 at position 1 and N in place of CH at position 3.. oxazole : An azole based on a five-membered heterocyclic aromatic skeleton containing one N and one O atom. | 2.77 | 3 | 0 | 1,3-oxazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
| thiazoles [no description available] | 8.79 | 11 | 0 | 1,3-thiazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
| 1,2,4-triazole 1,2,4-triazole: RN given refers to 1H-1,2,4-triazole | 4.33 | 18 | 0 | 1,2,4-triazole | |
| pyridazine pyridazine: structure given in first source | 2.31 | 1 | 0 | diazine; pyridazines | |
| pyrimidine pyrimidine : The parent compound of the pyrimidines; a diazine having the two nitrogens at the 1- and 3-positions. | 2.31 | 1 | 0 | diazine; pyrimidines | Daphnia magna metabolite |
| pyrazines Pyrazines: A heterocyclic aromatic organic compound with the chemical formula C4H4N2.. pyrazine : A diazine that is benzene in which the carbon atoms at positions 1 and 4 have been replaced by nitrogen atoms. | 1.98 | 1 | 0 | diazine; pyrazines | Daphnia magna metabolite |
| hydrazine diamine : Any polyamine that contains two amino groups. | 3.78 | 3 | 0 | azane; hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
| fluorobenzenes Fluorobenzenes: Derivatives of BENZENE that contain FLUORINE.. monofluorobenzene : The simplest member of the class of monofluorobenzenes that is benzene carrying a single fluoro substituent.. fluorobenzenes : Any fluoroarene that is a benzene or a substituted benzene carrying at least one fluoro group. | 2.25 | 1 | 0 | monofluorobenzenes | NMR chemical shift reference compound |
| 1,4-benzodioxan 1,4-benzodioxan: structure in first source | 7.06 | 1 | 0 | ||
| dithiol dithiol: structure | 2.59 | 2 | 0 | ||
| carvacrol carvacrol : A phenol that is a natural monoterpene derivative of cymene. An inhibitor of bacterial growth, it is used as a food additive. Potent activator of the human ion channels transient receptor potential V3 (TRPV3) and A1 (TRPA1). | 2.69 | 2 | 0 | botanical anti-fungal agent; p-menthane monoterpenoid; phenols | agrochemical; antimicrobial agent; flavouring agent; TRPA1 channel agonist; volatile oil component |
| thiazolidines Thiazolidines: Reduced (protonated) form of THIAZOLES. They can be oxidized to THIAZOLIDINEDIONES. | 2.89 | 3 | 0 | thiazolidine | |
| oleanolic acid [no description available] | 2.6 | 1 | 0 | hydroxy monocarboxylic acid; pentacyclic triterpenoid | plant metabolite |
| malondialdehyde Malondialdehyde: The dialdehyde of malonic acid.. malonaldehyde : A dialdehyde that is propane substituted by two oxo groups at the terminal carbon atoms respectively. A biomarker of oxidative damage to lipids caused by smoking, it exists in vivo mainly in the enol form. | 2.06 | 1 | 0 | dialdehyde | biomarker |
| resazurin resazurin: used as indicator in detection of hyposulfite (sulfoxylate); in food research (reductase test); structure | 2.05 | 1 | 0 | phenoxazine | |
| iodobenzene iodobenzene: RN given refers to unlabeled parent cpd | 2.13 | 1 | 0 | ||
| d-alpha tocopherol Vitamin E: A generic descriptor for all TOCOPHEROLS and TOCOTRIENOLS that exhibit ALPHA-TOCOPHEROL activity. By virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus, these compounds exhibit varying degree of antioxidant activity, depending on the site and number of methyl groups and the type of ISOPRENOIDS.. tocopherol : A collective name for a group of closely related lipids that contain a chroman-6-ol nucleus substituted at position 2 by a methyl group and by a saturated hydrocarbon chain consisting of three isoprenoid units. They are designated as alpha-, beta-, gamma-, and delta-tocopherol depending on the number and position of additional methyl substituents on the aromatic ring. Tocopherols occur in vegetable oils and vegetable oil products, almost exclusively with R,R,R configuration. Tocotrienols differ from tocopherols only in having three double bonds in the hydrocarbon chain.. vitamin E : Any member of a group of fat-soluble chromanols that exhibit biological activity against vitamin E deficiency. The vitamers in this class consists of a chroman-6-ol core which is substituted at position 2 by a methyl group and (also at position 2) either a saturated or a triply-unsaturated hydrocarbon chain consisting of three isoprenoid units. The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen.. (R,R,R)-alpha-tocopherol : An alpha-tocopherol that has R,R,R configuration. The naturally occurring stereoisomer of alpha-tocopherol, it is found particularly in sunflower and olive oils. | 2.17 | 1 | 0 | alpha-tocopherol | algal metabolite; antiatherogenic agent; anticoagulant; antioxidant; antiviral agent; EC 2.7.11.13 (protein kinase C) inhibitor; immunomodulator; micronutrient; nutraceutical; plant metabolite |
| streptomycin [no description available] | 2.07 | 1 | 0 | antibiotic antifungal drug; antibiotic fungicide; streptomycins | antibacterial drug; antifungal agrochemical; antimicrobial agent; antimicrobial drug; bacterial metabolite; protein synthesis inhibitor |
| carbonates Carbonates: Salts or ions of the theoretical carbonic acid, containing the radical CO2(3-). Carbonates are readily decomposed by acids. The carbonates of the alkali metals are water-soluble; all others are insoluble. (From Grant & Hackh's Chemical Dictionary, 5th ed). carbonates : Organooxygen compounds that are salts or esters of carbonic acid, H2CO3. | 2.05 | 1 | 0 | carbon oxoanion | |
| 2-amino-1,3,4-thiadiazole 2-amino-1,3,4-thiadiazole: structure; RN given refers to parent cpd | 7.37 | 2 | 0 | ||
| limonene Limonene: A naturally-occurring class of MONOTERPENES which occur as a clear colorless liquid at room temperature. Limonene is the major component in the oil of oranges which has many uses, including as flavor and fragrance. It is recognized as safe in food by the Food and Drug Administration (FDA).. limonene : A monoterpene that is cyclohex-1-ene substituted by a methyl group at position 1 and a prop-1-en-2-yl group at position 4 respectively. | 7.13 | 1 | 0 | cycloalkene; p-menthadiene | human metabolite |
| mercury Mercury: A silver metallic element that exists as a liquid at room temperature. It has the atomic symbol Hg (from hydrargyrum, liquid silver), atomic number 80, and atomic weight 200.59. Mercury is used in many industrial applications and its salts have been employed therapeutically as purgatives, antisyphilitics, disinfectants, and astringents. It can be absorbed through the skin and mucous membranes which leads to MERCURY POISONING. Because of its toxicity, the clinical use of mercury and mercurials is diminishing.. mercury(0) : Elemental mercury of oxidation state zero. | 2.6 | 1 | 0 | elemental mercury; zinc group element atom | neurotoxin |
| platinum Platinum: A heavy, soft, whitish metal, resembling tin, with atomic number 78, atomic weight 195.084, symbol Pt. It is used in manufacturing equipment for laboratory and industrial use. It occurs as a black powder (platinum black) and as a spongy substance (spongy platinum) and may have been known in Pliny's time as alutiae. | 2.07 | 1 | 0 | elemental platinum; nickel group element atom; platinum group metal atom | |
| gold Gold: A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts. | 7.48 | 2 | 0 | copper group element atom; elemental gold | |
| ammonium chloride Ammonium Chloride: An acidifying agent that has expectorant and diuretic effects. Also used in etching and batteries and as a flux in electroplating.. ammonium chloride : An inorganic chloride having ammonium as the counterion. | 6.93 | 1 | 0 | ammonium salt; inorganic chloride | ferroptosis inhibitor |
| 3-carene 3-carene: RN given refers to cpd without isomeric designation | 7.41 | 1 | 0 | monoterpene | |
| cl 64855 [no description available] | 2.44 | 2 | 0 | ||
| phenyl acetate phenyl acetate: The ester formed between phenol and acetic acid. Don't confuse with phenylacetic acid derivatives listed under PHENYLACETATES.. phenyl acetate : An acetate ester obtained by the formal condensation of phenol with acetic acid. | 2.47 | 2 | 0 | benzenes; phenyl acetates | |
| cefazolin Cefazolin: A semisynthetic cephalosporin analog with broad-spectrum antibiotic action due to inhibition of bacterial cell wall synthesis. It attains high serum levels and is excreted quickly via the urine.. cefazolin : A first-generation cephalosporin compound having [(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl and (1H-tetrazol-1-ylacetyl)amino side-groups at positions 3 and 7 respectively. | 2.05 | 1 | 0 | beta-lactam antibiotic allergen; cephalosporin; tetrazoles; thiadiazoles | antibacterial drug |
| azides Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 2.41 | 1 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
| oxovanadium iv oxovanadium IV: forms complexes with simple sugars | 2.1 | 1 | 0 | vanadium oxide | |
| ribavirin Rebetron: Rebetron is tradename | 2.15 | 1 | 0 | 1-ribosyltriazole; aromatic amide; monocarboxylic acid amide; primary carboxamide | anticoronaviral agent; antiinfective agent; antimetabolite; antiviral agent; EC 2.7.7.49 (RNA-directed DNA polymerase) inhibitor |
| itraconazole Itraconazole: A triazole antifungal agent that inhibits cytochrome P-450-dependent enzymes required for ERGOSTEROL synthesis.. itraconazole : An N-arylpiperazine that is cis-ketoconazole in which the imidazol-1-yl group is replaced by a 1,2,4-triazol-1-yl group and in which the actyl group attached to the piperazine moiety is replaced by a p-[(+-)1-sec-butyl-5-oxo-1,5-dihydro-4H-1,2,4-triazol-4-yl]phenyl group. A potent P-glycoprotein and CYP3A4 inhibitor, it is used as an antifungal drug for the treatment of various fungal infections, including aspergillosis, blastomycosis, candidiasis, chromoblastomycosis, coccidioidomycosis, cryptococcosis, histoplasmosis, and sporotrichosis. | 2.07 | 1 | 0 | aromatic ether; conazole antifungal drug; cyclic ketal; dichlorobenzene; dioxolane; N-arylpiperazine; triazole antifungal drug; triazoles | EC 3.6.3.44 (xenobiotic-transporting ATPase) inhibitor; Hedgehog signaling pathway inhibitor; P450 inhibitor |
| vanadates Vanadates: Oxyvanadium ions in various states of oxidation. They act primarily as ion transport inhibitors due to their inhibition of Na(+)-, K(+)-, and Ca(+)-ATPase transport systems. They also have insulin-like action, positive inotropic action on cardiac ventricular muscle, and other metabolic effects.. vanadate(3-) : A vanadium oxoanion that is a trianion with formula VO4 in which the vanadium is in the +5 oxidation state and is attached to four oxygen atoms. | 2.1 | 1 | 0 | trivalent inorganic anion; vanadium oxoanion | EC 3.1.3.1 (alkaline phosphatase) inhibitor; EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor; EC 3.1.3.41 (4-nitrophenylphosphatase) inhibitor; EC 3.1.3.48 (protein-tyrosine-phosphatase) inhibitor |
| meglumine antimoniate Meglumine Antimoniate: ANTIMONY salt of meglumine that is used in the treatment of LEISHMANIASIS. | 2.07 | 1 | 0 | ||
| thiazolyl blue thiazolyl blue: RN & II refers to bromide. 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide : The bromide salt of 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium. | 2.47 | 2 | 0 | organic bromide salt | colorimetric reagent; dye |
| cephalosporin c cephalosporin C: RN given refers to parent cpd; structure in Merck, 9th ed, #1937. cephalosporin C : A cephalosporin antibiotic carrying a 3-acetoxymethyl substituent and a 6-oxo-N(6)-L-lysino group at position 7. | 2.05 | 1 | 0 | cephalosporin | fungal metabolite |
| violuric acid violuric acid: an antihypoxic agent | 7.07 | 1 | 0 | ||
| thiamorpholine thiamorpholine: RN given refers to parent cpd. thiomorpholine : A saturated organic heteromonocyclic parent that is an analogue of morpholine where the oxygen atom is replaced by sulfur. | 2.04 | 1 | 0 | saturated organic heteromonocyclic parent; thiomorpholines | |
| triazoles Triazoles: Heterocyclic compounds containing a five-membered ring with two carbon atoms and three nitrogen atoms with the molecular formula C2H3N3.. triazoles : An azole in which the five-membered heterocyclic aromatic skeleton contains three N atoms and two C atoms. | 4.7 | 26 | 0 | 1,2,3-triazole | |
| benzosuberone benzosuberone: structure in first source | 7.11 | 1 | 0 | ||
| cefazedone cefazedone: RN given refers to parent cpd; structure. cefazedone : A first-generation cephalosporin antibiotic having [(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl and [(3,5-dichloro-4-oxopyridin-1(4H)-yl)acetamido side-groups located at positions 3 and 7 respectively. | 2.05 | 1 | 0 | 4-pyridones; carboxylic acid; cephalosporin; semisynthetic derivative; thiadiazoles | antibacterial drug |
| honokiol [no description available] | 7.31 | 1 | 0 | biphenyls | |
| 5-thio-d-glucose 5-thio-D-glucose: RN given refers to 5-thio-D-glucose | 7.02 | 1 | 0 | ||
| 1,3,4-oxadiazole 1,3,4-oxadiazole: structure in first source | 4.1 | 13 | 0 | ||
| lignans Lignans: A class of dibenzylbutane derivatives which occurs in higher plants and in fluids (bile, serum, urine, etc.) in man and other animals. These compounds, which have a potential anti-cancer role, can be synthesized in vitro by human fecal flora. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed) | 2.31 | 1 | 0 | ||
| e-z cinnamic acid cinnamic acid : A monocarboxylic acid that consists of acrylic acid bearing a phenyl substituent at the 3-position. It is found in Cinnamomum cassia.. trans-cinnamic acid : The E (trans) isomer of cinnamic acid | 2.07 | 1 | 0 | cinnamic acid | plant metabolite |
| ergosterol [no description available] | 2.17 | 1 | 0 | 3beta-hydroxy-Delta(5)-steroid; 3beta-sterol; ergostanoid; phytosterols | fungal metabolite; Saccharomyces cerevisiae metabolite |
| arachidonic acid icosa-5,8,11,14-tetraenoic acid : Any icosatetraenoic acid with the double bonds at positions 5, 8, 11 and 14.. arachidonate : A long-chain fatty acid anion resulting from the removal of a proton from the carboxy group of arachidonic acid. | 2.08 | 1 | 0 | icosa-5,8,11,14-tetraenoic acid; long-chain fatty acid; omega-6 fatty acid | Daphnia galeata metabolite; EC 3.1.1.1 (carboxylesterase) inhibitor; human metabolite; mouse metabolite |
| dactinomycin Dactinomycin: A compound composed of a two CYCLIC PEPTIDES attached to a phenoxazine that is derived from STREPTOMYCES parvullus. It binds to DNA and inhibits RNA synthesis (transcription), with chain elongation more sensitive than initiation, termination, or release. As a result of impaired mRNA production, protein synthesis also declines after dactinomycin therapy. (From AMA Drug Evaluations Annual, 1993, p2015) | 2.07 | 1 | 0 | actinomycin | mutagen |
| glycosides [no description available] | 2.63 | 2 | 0 | ||
| 4-oxothiazolidine 4-oxothiazolidine: structure in first source | 2.17 | 1 | 0 | ||
| chalcone trans-chalcone : The trans-isomer of chalcone. | 2.11 | 1 | 0 | chalcone | EC 3.2.1.1 (alpha-amylase) inhibitor |
| phenylthiourea Phenylthiourea: Phenylthiourea is a THIOUREA derivative containing a phenyl ring. Depending on their genetic makeup, humans can find it either bitter-tasting or tasteless.. N-phenylthiourea : A member of the class of thioureas that is thiourea in which one of the hydrogens is replaced by a phenyl group. Depending on their genetic makeup, humans find it either very bitter-tasting or tasteless. This unusual property resulted in N-phenylthiourea being used in paternity testing prior to the advent of DNA testing. | 2.41 | 1 | 0 | thioureas | EC 1.14.18.1 (tyrosinase) inhibitor |
| rhodanine 2-mercaptothiazolinone: metabolite in urine from persons exposed to CS2; structure | 2.07 | 1 | 0 | thiazolidinone | |
| thiosemicarbazide thiosemicarbazide: glutamate decarboxylase antagonist; structure given in first source. hydrazinecarbothioamide : A member of the class of thioureas that is thiourea in which a hydrogen of one of the amino groups is replaced by an amino group. | 3.62 | 9 | 0 | hydrazines; thiocarboxamide; thioureas | |
| thiourea Thiourea: A photographic fixative used also in the manufacture of resins. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance may reasonably be anticipated to be a carcinogen (Merck Index, 9th ed). Many of its derivatives are ANTITHYROID AGENTS and/or FREE RADICAL SCAVENGERS.. thiourea : The simplest member of the thiourea class, consisting of urea with the oxygen atom substituted by sulfur. | 8.02 | 4 | 0 | one-carbon compound; thioureas; ureas | antioxidant; chromophore |
| nadp [no description available] | 2.07 | 1 | 0 | ||
| 1,1-diphenyl-2-picrylhydrazyl 1,1-diphenyl-2-picrylhydrazyl: A diphenyl picrate; the ability to decolorize this stable radical indicates reactivity of tested compounds (Banda, Anal Chem 46:1772-7 1974) | 2.83 | 3 | 0 | ||
| harmine Harmine: Alkaloid isolated from seeds of PEGANUM HARMALA; ZYGOPHYLLACEAE. It is identical to banisterine, or telepathine, from Banisteria caapi and is one of the active ingredients of hallucinogenic drinks made in the western Amazon region from related plants. It has no therapeutic use, but (as banisterine) was hailed as a cure for postencephalitic PARKINSON DISEASE in the 1920's.. harmine : A harmala alkaloid in which the harman skeleton is methoxy-substituted at C-7. | 2.41 | 1 | 0 | harmala alkaloid | anti-HIV agent; EC 1.4.3.4 (monoamine oxidase) inhibitor; metabolite |
| amphotericin b Amphotericin B: Macrolide antifungal antibiotic produced by Streptomyces nodosus obtained from soil of the Orinoco river region of Venezuela.. amphotericin B : A macrolide antibiotic used to treat potentially life-threatening fungal infections. | 3.04 | 3 | 0 | antibiotic antifungal drug; macrolide antibiotic; polyene antibiotic | antiamoebic agent; antiprotozoal drug; bacterial metabolite |
| bismuth Bismuth: A metallic element that has the atomic symbol Bi, and atomic number 83. Its principal isotope is Bismuth 209. | 7.08 | 1 | 0 | metal atom; pnictogen | |
| sulfur Sulfur: An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine. | 2.31 | 1 | 0 | chalcogen; nonmetal atom | macronutrient |
| 7-aminoactinomycin d 7-aminoactinomycin D: staining reagent used in flow cytometry | 2.07 | 1 | 0 | ||
| (1,2-bis(1,2-benzisoselenazolone-3(2h)-ketone))ethane (1,2-bis(1,2-benzisoselenazolone-3(2H)-ketone))ethane: has antineoplastic activity; structure in first source | 2.11 | 1 | 0 | ||
| oxadiazoles Oxadiazoles: Compounds containing five-membered heteroaromatic rings containing two carbons, two nitrogens, and one oxygen atom which exist in various regioisomeric forms. | 5.62 | 21 | 0 | ||
| azastene azastene: inhibitor of ovarian & adrenal steroidogenesis in rats; progesterone antagonist | 2.41 | 1 | 0 | ||
| scopolamine hydrobromide [no description available] | 2.13 | 1 | 0 | ||
| acid phosphatase Acid Phosphatase: An enzyme that catalyzes the conversion of an orthophosphoric monoester and water to an alcohol and orthophosphate. EC 3.1.3.2. | 2.07 | 1 | 0 | ||
| ascorbic acid Ascorbic Acid: A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.. L-ascorbic acid : The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.. L-ascorbate : The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.. vitamin C : Any member of a group of vitamers that belong to the chemical structural class called butenolides that exhibit biological activity against vitamin C deficiency in animals. The vitamers include L-ascorbic acid and its salt, ionized and oxidized forms. | 2.17 | 1 | 0 | ascorbic acid; vitamin C | coenzyme; cofactor; flour treatment agent; food antioxidant; food colour retention agent; geroprotector; plant metabolite; skin lightening agent |
| warfarin Warfarin: An anticoagulant that acts by inhibiting the synthesis of vitamin K-dependent coagulation factors. Warfarin is indicated for the prophylaxis and/or treatment of venous thrombosis and its extension, pulmonary embolism, and atrial fibrillation with embolization. It is also used as an adjunct in the prophylaxis of systemic embolism after myocardial infarction. Warfarin is also used as a rodenticide.. warfarin : A racemate comprising equal amounts of (R)- and (S)-warfarin. Extensively used as both an anticoagulant drug and as a pesticide against rats and mice.. 4-hydroxy-3-(3-oxo-1-phenylbutyl)-1-benzopyran-2-one : A member of the class of coumarins that is 4-hydroxycoumarin which is substituted at position 3 by a 1-phenyl-3-oxo-1-butyl group. | 2.59 | 2 | 0 | benzenes; hydroxycoumarin; methyl ketone | |
| nitrophenols Nitrophenols: PHENOLS carrying nitro group substituents. | 2.21 | 1 | 0 | ||
| 4-hydroxyquinazoline 4-oxo-3,4-dihydroquinazoline: structure in first source | 2.25 | 1 | 0 | quinazolines |
| Condition | Indicated | Relationship Strength | Studies | Trials |
|---|---|---|---|---|
| Breast Cancer [description not available] | 0 | 3.11 | 4 | 0 |
| Breast Neoplasms Tumors or cancer of the human BREAST. | 0 | 3.11 | 4 | 0 |
| Neglected Diseases Diseases that are underfunded and have low name recognition but are major burdens in less developed countries. The World Health Organization has designated six tropical infectious diseases as being neglected in industrialized countries that are endemic in many developing countries (HELMINTHIASIS; LEPROSY; LYMPHATIC FILARIASIS; ONCHOCERCIASIS; SCHISTOSOMIASIS; and TRACHOMA). | 0 | 2.41 | 1 | 0 |
| African Sleeping Sickness [description not available] | 0 | 2.41 | 1 | 0 |
| American Trypanosomiasis [description not available] | 0 | 3.28 | 5 | 0 |
| Trypanosomiasis, African A disease endemic among people and animals in Central Africa. It is caused by various species of trypanosomes, particularly T. gambiense and T. rhodesiense. Its second host is the TSETSE FLY. Involvement of the central nervous system produces African sleeping sickness. Nagana is a rapidly fatal trypanosomiasis of horses and other animals. | 0 | 2.41 | 1 | 0 |
| Chagas Disease Infection with the protozoan parasite TRYPANOSOMA CRUZI, a form of TRYPANOSOMIASIS endemic in Central and South America. It is named after the Brazilian physician Carlos Chagas, who discovered the parasite. Infection by the parasite (positive serologic result only) is distinguished from the clinical manifestations that develop years later, such as destruction of PARASYMPATHETIC GANGLIA; CHAGAS CARDIOMYOPATHY; and dysfunction of the ESOPHAGUS or COLON. | 0 | 3.28 | 5 | 0 |
| Malignant Melanoma [description not available] | 0 | 2.6 | 1 | 0 |
| Melanoma A malignant neoplasm derived from cells that are capable of forming melanin, which may occur in the skin of any part of the body, in the eye, or, rarely, in the mucous membranes of the genitalia, anus, oral cavity, or other sites. It occurs mostly in adults and may originate de novo or from a pigmented nevus or malignant lentigo. Melanomas frequently metastasize widely, and the regional lymph nodes, liver, lungs, and brain are likely to be involved. The incidence of malignant skin melanomas is rising rapidly in all parts of the world. (Stedman, 25th ed; from Rook et al., Textbook of Dermatology, 4th ed, p2445) | 0 | 2.6 | 1 | 0 |
| Benign Neoplasms [description not available] | 0 | 4.28 | 6 | 0 |
| Neoplasms New abnormal growth of tissue. Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms. | 0 | 4.28 | 6 | 0 |
| Cancer of Pancreas [description not available] | 0 | 3.37 | 5 | 0 |
| Carcinoma, Ductal, Pancreatic [description not available] | 0 | 2.6 | 1 | 0 |
| Pancreatic Neoplasms Tumors or cancer of the PANCREAS. Depending on the types of ISLET CELLS present in the tumors, various hormones can be secreted: GLUCAGON from PANCREATIC ALPHA CELLS; INSULIN from PANCREATIC BETA CELLS; and SOMATOSTATIN from the SOMATOSTATIN-SECRETING CELLS. Most are malignant except the insulin-producing tumors (INSULINOMA). | 0 | 3.37 | 5 | 0 |
| Carcinoma, Pancreatic Ductal Carcinoma that arises from the PANCREATIC DUCTS. It accounts for the majority of cancers derived from the PANCREAS. | 0 | 2.6 | 1 | 0 |
| Fungal Diseases [description not available] | 0 | 3.01 | 4 | 0 |
| Mycoses Diseases caused by FUNGI. | 0 | 3.01 | 4 | 0 |
| Candida Infection [description not available] | 0 | 2.55 | 2 | 0 |
| Candidiasis Infection with a fungus of the genus CANDIDA. It is usually a superficial infection of the moist areas of the body and is generally caused by CANDIDA ALBICANS. (Dorland, 27th ed) | 0 | 2.55 | 2 | 0 |
| Anasarca [description not available] | 0 | 3.25 | 5 | 0 |
| Innate Inflammatory Response [description not available] | 0 | 2.94 | 3 | 0 |
| Edema Abnormal fluid accumulation in TISSUES or body cavities. Most cases of edema are present under the SKIN in SUBCUTANEOUS TISSUE. | 0 | 3.25 | 5 | 0 |
| Inflammation A pathological process characterized by injury or destruction of tissues caused by a variety of cytologic and chemical reactions. It is usually manifested by typical signs of pain, heat, redness, swelling, and loss of function. | 0 | 7.94 | 3 | 0 |
| Ache [description not available] | 0 | 2.25 | 1 | 0 |
| Pain An unpleasant sensation induced by noxious stimuli which are detected by NERVE ENDINGS of NOCICEPTIVE NEURONS. | 0 | 2.25 | 1 | 0 |
| Benign Neoplasms, Brain [description not available] | 0 | 2.25 | 1 | 0 |
| Astrocytoma, Grade IV [description not available] | 0 | 2.25 | 1 | 0 |
| Brain Neoplasms Neoplasms of the intracranial components of the central nervous system, including the cerebral hemispheres, basal ganglia, hypothalamus, thalamus, brain stem, and cerebellum. Brain neoplasms are subdivided into primary (originating from brain tissue) and secondary (i.e., metastatic) forms. Primary neoplasms are subdivided into benign and malignant forms. In general, brain tumors may also be classified by age of onset, histologic type, or presenting location in the brain. | 0 | 2.25 | 1 | 0 |
| Glioblastoma A malignant form of astrocytoma histologically characterized by pleomorphism of cells, nuclear atypia, microhemorrhage, and necrosis. They may arise in any region of the central nervous system, with a predilection for the cerebral hemispheres, basal ganglia, and commissural pathways. Clinical presentation most frequently occurs in the fifth or sixth decade of life with focal neurologic signs or seizures. | 0 | 7.25 | 1 | 0 |
| Acute Confusional Senile Dementia [description not available] | 0 | 2.25 | 1 | 0 |
| Alzheimer Disease A degenerative disease of the BRAIN characterized by the insidious onset of DEMENTIA. Impairment of MEMORY, judgment, attention span, and problem solving skills are followed by severe APRAXIAS and a global loss of cognitive abilities. The condition primarily occurs after age 60, and is marked pathologically by severe cortical atrophy and the triad of SENILE PLAQUES; NEUROFIBRILLARY TANGLES; and NEUROPIL THREADS. (From Adams et al., Principles of Neurology, 6th ed, pp1049-57) | 0 | 2.25 | 1 | 0 |
| Adult Spinal Muscular Atrophy [description not available] | 0 | 2.31 | 1 | 0 |
| Muscular Atrophy, Spinal A group of disorders marked by progressive degeneration of motor neurons in the spinal cord resulting in weakness and muscular atrophy, usually without evidence of injury to the corticospinal tracts. Diseases in this category include Werdnig-Hoffmann disease and later onset SPINAL MUSCULAR ATROPHIES OF CHILDHOOD, most of which are hereditary. (Adams et al., Principles of Neurology, 6th ed, p1089) | 0 | 2.31 | 1 | 0 |
| Cancer of Colon [description not available] | 0 | 2.59 | 2 | 0 |
| Colonic Neoplasms Tumors or cancer of the COLON. | 0 | 2.59 | 2 | 0 |
| Granulocytic Leukemia, Chronic [description not available] | 0 | 2.15 | 1 | 0 |
| Leukemia, Myelogenous, Chronic, BCR-ABL Positive Clonal hematopoetic disorder caused by an acquired genetic defect in PLURIPOTENT STEM CELLS. It starts in MYELOID CELLS of the bone marrow, invades the blood and then other organs. The condition progresses from a stable, more indolent, chronic phase (LEUKEMIA, MYELOID, CHRONIC PHASE) lasting up to 7 years, to an advanced phase composed of an accelerated phase (LEUKEMIA, MYELOID, ACCELERATED PHASE) and BLAST CRISIS. | 0 | 2.15 | 1 | 0 |
| Tuberculosis, Drug-Resistant [description not available] | 0 | 2.21 | 1 | 0 |
| Tuberculosis, Multidrug-Resistant Tuberculosis resistant to chemotherapy with two or more ANTITUBERCULAR AGENTS, including at least ISONIAZID and RIFAMPICIN. The problem of resistance is particularly troublesome in tuberculous OPPORTUNISTIC INFECTIONS associated with HIV INFECTIONS. It requires the use of second line drugs which are more toxic than the first line regimens. TB with isolates that have developed further resistance to at least three of the six classes of second line drugs is defined as EXTENSIVELY DRUG-RESISTANT TUBERCULOSIS. | 0 | 2.21 | 1 | 0 |
| Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases. | 0 | 3.35 | 6 | 0 |
| Hyperlipemia [description not available] | 0 | 2.21 | 1 | 0 |
| Acute Disease Disease having a short and relatively severe course. | 0 | 2.21 | 1 | 0 |
| Hyperlipidemias Conditions with excess LIPIDS in the blood. | 0 | 2.21 | 1 | 0 |
| Disseminated Fusariosis [description not available] | 0 | 2.08 | 1 | 0 |
| Fusariosis OPPORTUNISTIC INFECTIONS with the soil fungus FUSARIUM. Typically the infection is limited to the nail plate (ONYCHOMYCOSIS). The infection can however become systemic especially in an IMMUNOCOMPROMISED HOST (e.g., NEUTROPENIA) and results in cutaneous and subcutaneous lesions, fever, KERATITIS, and pulmonary infections. | 0 | 2.08 | 1 | 0 |
| Absence Seizure [description not available] | 0 | 2.78 | 3 | 0 |
| Seizures Clinical or subclinical disturbances of cortical function due to a sudden, abnormal, excessive, and disorganized discharge of brain cells. Clinical manifestations include abnormal motor, sensory and psychic phenomena. Recurrent seizures are usually referred to as EPILEPSY or seizure disorder. | 0 | 2.78 | 3 | 0 |
| Bacterial Disease [description not available] | 0 | 2.99 | 4 | 0 |
| Bacterial Infections Infections by bacteria, general or unspecified. | 0 | 2.99 | 4 | 0 |
| Koch's Disease [description not available] | 0 | 2.49 | 2 | 0 |
| Tuberculosis Any of the infectious diseases of man and other animals caused by species of MYCOBACTERIUM TUBERCULOSIS. | 0 | 2.49 | 2 | 0 |
| Cognitive Decline [description not available] | 0 | 2.13 | 1 | 0 |
| Cognitive Dysfunction Diminished or impaired mental and/or intellectual function. | 0 | 7.13 | 1 | 0 |
| Parasitemia The presence of parasites (especially malarial parasites) in the blood. (Dorland, 27th ed) | 0 | 2.49 | 2 | 0 |
| Cancer of Cervix [description not available] | 0 | 2.15 | 1 | 0 |
| Invasiveness, Neoplasm [description not available] | 0 | 2.15 | 1 | 0 |
| Uterine Cervical Neoplasms Tumors or cancer of the UTERINE CERVIX. | 0 | 2.15 | 1 | 0 |
| Hepatocellular Carcinoma [description not available] | 0 | 2.15 | 1 | 0 |
| Cancer of Liver [description not available] | 0 | 2.5 | 2 | 0 |
| Cancer of Prostate [description not available] | 0 | 2.49 | 2 | 0 |
| Colorectal Cancer [description not available] | 0 | 2.15 | 1 | 0 |
| Carcinoma, Hepatocellular A primary malignant neoplasm of epithelial liver cells. It ranges from a well-differentiated tumor with EPITHELIAL CELLS indistinguishable from normal HEPATOCYTES to a poorly differentiated neoplasm. The cells may be uniform or markedly pleomorphic, or form GIANT CELLS. Several classification schemes have been suggested. | 0 | 2.15 | 1 | 0 |
| Liver Neoplasms Tumors or cancer of the LIVER. | 0 | 2.5 | 2 | 0 |
| Prostatic Neoplasms Tumors or cancer of the PROSTATE. | 0 | 2.49 | 2 | 0 |
| Colorectal Neoplasms Tumors or cancer of the COLON or the RECTUM or both. Risk factors for colorectal cancer include chronic ULCERATIVE COLITIS; FAMILIAL POLYPOSIS COLI; exposure to ASBESTOS; and irradiation of the CERVIX UTERI. | 0 | 2.15 | 1 | 0 |
| Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms. | 0 | 2.05 | 1 | 0 |
| Leishmania Infection [description not available] | 0 | 2.47 | 2 | 0 |
| Leishmaniasis A disease caused by any of a number of species of protozoa in the genus LEISHMANIA. There are four major clinical types of this infection: cutaneous (Old and New World) (LEISHMANIASIS, CUTANEOUS), diffuse cutaneous (LEISHMANIASIS, DIFFUSE CUTANEOUS), mucocutaneous (LEISHMANIASIS, MUCOCUTANEOUS), and visceral (LEISHMANIASIS, VISCERAL). | 0 | 2.47 | 2 | 0 |
| Bacterial Infections, Gram-Negative [description not available] | 0 | 2.07 | 1 | 0 |
| Gram-Negative Bacterial Infections Infections caused by bacteria that show up as pink (negative) when treated by the gram-staining method. | 0 | 2.07 | 1 | 0 |
| Allergic Encephalomyelitis [description not available] | 0 | 2.07 | 1 | 0 |
| Lymphocytopenia [description not available] | 0 | 2.07 | 1 | 0 |
| Lymphopenia Reduction in the number of lymphocytes. | 0 | 2.07 | 1 | 0 |
| Cardiac Failure [description not available] | 0 | 1.93 | 1 | 0 |
| Electrolytes Substances that dissociate into two or more ions, to some extent, in water. Solutions of electrolytes thus conduct an electric current and can be decomposed by it (ELECTROLYSIS). (Grant & Hackh's Chemical Dictionary, 5th ed) | 0 | 6.93 | 1 | 0 |
| Heart Failure A heterogeneous condition in which the heart is unable to pump out sufficient blood to meet the metabolic need of the body. Heart failure can be caused by structural defects, functional abnormalities (VENTRICULAR DYSFUNCTION), or a sudden overload beyond its capacity. Chronic heart failure is more common than acute heart failure which results from sudden insult to cardiac function, such as MYOCARDIAL INFARCTION. | 0 | 1.93 | 1 | 0 |
| Caries, Dental [description not available] | 0 | 1.93 | 1 | 0 |
| Dental Caries Localized destruction of the tooth surface initiated by decalcification of the enamel followed by enzymatic lysis of organic structures and leading to cavity formation. If left unchecked, the cavity may penetrate the enamel and dentin and reach the pulp. | 0 | 6.93 | 1 | 0 |
| Experimental Leukemia [description not available] | 0 | 1.93 | 1 | 0 |
| B16 Melanoma [description not available] | 0 | 2.02 | 1 | 0 |
| Gastric Ulcer [description not available] | 0 | 2.03 | 1 | 0 |
| Stomach Ulcer Ulceration of the GASTRIC MUCOSA due to contact with GASTRIC JUICE. It is often associated with HELICOBACTER PYLORI infection or consumption of nonsteroidal anti-inflammatory drugs (NSAIDS). | 0 | 2.03 | 1 | 0 |