| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
methane
Methane: The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed). methane : A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161degreeC). | 2.07 | 1 | 0 | alkane;
gas molecular entity;
mononuclear parent hydride;
one-carbon compound | bacterial metabolite;
fossil fuel;
greenhouse gas |
octane
Octanes: Eight-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives.. octane : A straight chain alkane composed of 8 carbon atoms. | 1.98 | 1 | 0 | alkane | xenobiotic |
guaiacol
Guaiacol: An agent thought to have disinfectant properties and used as an expectorant. (From Martindale, The Extra Pharmacopoeia, 30th ed, p747). methylcatechol : Any member of the class of catechols carrying one or more methyl substituents.. guaiacol : A monomethoxybenzene that consists of phenol with a methoxy substituent at the ortho position. | 2.04 | 1 | 0 | guaiacols | disinfectant;
EC 1.1.1.25 (shikimate dehydrogenase) inhibitor;
expectorant;
plant metabolite |
glycerol
Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil. | 2.07 | 1 | 0 | alditol;
triol | algal metabolite;
detergent;
Escherichia coli metabolite;
geroprotector;
human metabolite;
mouse metabolite;
osmolyte;
Saccharomyces cerevisiae metabolite;
solvent |
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. | 7.53 | 2 | 0 | elemental hydrogen;
elemental molecule;
gas molecular entity | antioxidant;
electron donor;
food packaging gas;
fuel;
human metabolite |
hydroquinone
[no description available] | 2.1 | 1 | 0 | benzenediol;
hydroquinones | antioxidant;
carcinogenic agent;
cofactor;
Escherichia coli metabolite;
human xenobiotic metabolite;
mouse metabolite;
skin lightening agent |
indole
[no description available] | 2.04 | 1 | 0 | indole;
polycyclic heteroarene | Escherichia coli metabolite |
iodine
Iodine: A nonmetallic element of the halogen group that is represented by the atomic symbol I, atomic number 53, and atomic weight of 126.90. It is a nutritionally essential element, especially important in thyroid hormone synthesis. In solution, it has anti-infective properties and is used topically.. diiodine : Molecule comprising two covalently bonded iodine atoms with overall zero charge.. | 2.04 | 1 | 0 | diatomic iodine | nutrient |
naphthalene
[no description available] | 2.64 | 3 | 0 | naphthalenes;
ortho-fused bicyclic arene | apoptosis inhibitor;
carcinogenic agent;
environmental contaminant;
mouse metabolite;
plant metabolite;
volatile oil component |
nitroxyl
nitroxyl: hydroxamic acid oxidized to nitroxyl free radical. nitroxyl : A nitrogen oxoacid consisting of an oxygen atom double-bonded to an NH group. | 2.07 | 1 | 0 | nitrogen oxoacid | |
sulfuric acid
sulfuric acid : A sulfur oxoacid that consists of two oxo and two hydroxy groups joined covalently to a central sulfur atom. | 2.05 | 1 | 0 | sulfur oxoacid | catalyst |
toluene
methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups. | 2.05 | 1 | 0 | methylbenzene;
toluenes;
volatile organic compound | cholinergic antagonist;
fuel additive;
neurotoxin;
non-polar solvent |
1-anilino-8-naphthalenesulfonate
1-anilino-8-naphthalenesulfonate: RN given refers to parent cpd. 8-anilinonaphthalene-1-sulfonic acid : A naphthalenesulfonic acid that is naphthalene-1-sulfonic acid substituted by a phenylamino group at position 8. | 2.02 | 1 | 0 | aminonaphthalene;
naphthalenesulfonic acid | fluorescent probe |
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. | 2.08 | 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 |
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. | 2.1 | 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 |
4-dichlorobenzene
dichlorobenzene : Any member of the class of chlorobenzenes carrying two chloro groups at unspecified positions.. 1,4-dichlorobenzene : A dichlorobenzene carrying chloro groups at positions 1 and 4. | 1.98 | 1 | 0 | dichlorobenzene | insecticide |
stearic acid
octadecanoic acid : A C18 straight-chain saturated fatty acid component of many animal and vegetable lipids. As well as in the diet, it is used in hardening soaps, softening plastics and in making cosmetics, candles and plastics. | 2.1 | 1 | 0 | long-chain fatty acid;
saturated fatty acid;
straight-chain saturated fatty acid | algal metabolite;
Daphnia magna metabolite;
human metabolite;
plant metabolite |
carbon tetrachloride
Carbon Tetrachloride: A solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins, and a starting material in the manufacturing of organic compounds. Poisoning by inhalation, ingestion or skin absorption is possible and may be fatal. (Merck Index, 11th ed). tetrachloromethane : A chlorocarbon that is methane in which all the hydrogens have been replaced by chloro groups. | 3.12 | 1 | 0 | chlorocarbon;
chloromethanes | hepatotoxic agent;
refrigerant |
leucine
Leucine: An essential branched-chain amino acid important for hemoglobin formation.. leucine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isobutyl group. | 1.98 | 1 | 0 | amino acid zwitterion;
L-alpha-amino acid;
leucine;
proteinogenic amino acid;
pyruvate family amino acid | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
dimethylformamide
Dimethylformamide: A formamide in which the amino hydrogens are replaced by methyl groups.. N,N-dimethylformamide : A member of the class of formamides that is formamide in which the amino hydrogens are replaced by methyl groups. | 2.04 | 1 | 0 | formamides;
volatile organic compound | geroprotector;
hepatotoxic agent;
polar aprotic solvent |
acetonitrile
acetonitrile: RN given refers to unlabeled cpd. acetonitrile : A nitrile that is hydrogen cyanide in which the hydrogen has been replaced by a methyl group. | 7 | 1 | 0 | aliphatic nitrile;
volatile organic compound | EC 3.5.1.4 (amidase) inhibitor;
NMR chemical shift reference compound;
polar aprotic solvent |
divinyl sulfone
divinyl sulfone: cross-linking reagent for agarose gels. divinyl sulfone : A sulfone compound having two S-vinyl substituents. | 2.06 | 1 | 0 | sulfone | cross-linking reagent |
quinic acid
(-)-quinic acid : The (-)-enantiomer of quinic acid. | 7.03 | 1 | 0 | | |
isophorone
isophorone : A cyclic ketone, the structure of which is that of cyclohex-2-en-1-one substituted by methyl groups at positions 3, 5 and 5. | 1.98 | 1 | 0 | cyclic ketone;
enone | plant metabolite;
solvent |
rhodamine b
rhodamine B: RN & N1 from 9th CI Form Index; RN given refers to parent cpd; structure in Merck Index, 9th ed, #7973; TETRAETHYLRHODAMINE was see RHODAMINES 1975-93; use RHODAMINES to search TETRAETHYLRHODAMINE 1975-93. rhodamine B : An organic chloride salt having N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethylethanaminium as the counterion. An amphoteric dye commonly used as a fluorochrome. | 2.08 | 1 | 0 | organic chloride salt;
xanthene dye | fluorescent probe;
fluorochrome;
histological dye |
1-naphthaleneacetic acid
1-naphthaleneacetic acid: a plant growth regulator; RN given refers to parent cpd. naphthylacetic acid : A monocarboxylic acid that is naphthalene substituted by a carboxymethyl group at any position.. 1-naphthaleneacetic acid : A naphthylacetic acid substituted by a carboxymethyl group at position 1. | 1.92 | 1 | 0 | naphthylacetic acid | synthetic auxin |
2-nitrotoluene
nitrotoluene : Any member of the class of toluenes bearing one or more nitro substituents on the benzene ring. | 2.05 | 1 | 0 | mononitrotoluene | carcinogenic agent;
environmental contaminant |
naphthacene
tetracene : An acene that consists of four ortho-fused benzene rings in a rectilinear arrangement. | 2.05 | 1 | 0 | acene;
tetracenes | |
carvone
carvone: an oxidized derivative of limonene; RN given refers to cpd without isomeric designation; L-carvone has spearmint flavor, D-carvone has dill/caraway flavor. carvone : A p-menthane monoterpenoid that consists of cyclohex-2-enone having methyl and isopropenyl substituents at positions 2 and 5, respectively. | 2.47 | 2 | 0 | botanical anti-fungal agent;
carvones | allergen |
3-hydroxybutanal
[no description available] | 3.11 | 4 | 0 | | |
cyclohexanol
Cyclohexanols: Monohydroxy derivatives of cyclohexanes that contain the general formula R-C6H11O. They have a camphorlike odor and are used in making soaps, insecticides, germicides, dry cleaning, and plasticizers.. cyclohexanols : An alcohol in which one or more hydroxy groups are attached to a cyclohexane skeleton. | 2.02 | 1 | 0 | cyclohexanols;
secondary alcohol | solvent |
furan
furan : A monocyclic heteroarene with a structure consisting of a 5-membered ring containing four carbons and one oxygen, with formula C4H4O. It is a toxic, flammable, low-boiling (31degreeC) colourless liquid. | 2.13 | 1 | 0 | furans;
mancude organic heteromonocyclic parent;
monocyclic heteroarene | carcinogenic agent;
hepatotoxic agent;
Maillard reaction product |
n-dodecane
dodecane : A straight-chain alkane with 12 carbon atoms. It has been isolated from the essential oils of various plants including Zingiber officinale (ginger). | 1.98 | 1 | 0 | alkane | plant metabolite |
tetralin
tetralin: structure given in first source. tetralin : An ortho-fused bicyclic hydrocarbon that is 1,2,3,4-tetrahydro derivative of naphthalene. | 2.05 | 1 | 0 | ortho-fused bicyclic hydrocarbon;
tetralins | |
anthracene
acene : A polycyclic aromatic hydrocarbon consisting of fused benzene rings in a rectilinear arrangement.. acenes : Polycyclic aromatic hydrocarbons consisting of fused benzene rings in a rectilinear arrangement and their substitution derivatives. | 2.73 | 3 | 0 | acene;
anthracenes;
ortho-fused tricyclic hydrocarbon | |
cyclopentanone
[no description available] | 2.08 | 1 | 0 | cyclopentanones | Maillard reaction product |
pentacene
[no description available] | 2.05 | 1 | 0 | acene;
pentacenes | |
n-heptane
Heptanes: Seven-carbon alkanes with the formula C7H16.. heptane : A straight-chain alkane with seven carbon atoms. It has been found in Jeffrey pine (Pinus jeffreyi). | 2.07 | 1 | 0 | alkane;
volatile organic compound | non-polar solvent;
plant metabolite |
coronene
coronene: structure. coronene : A ortho- and peri-fused polycyclic arene that consists of six peri-fused benzene rings. | 7.07 | 1 | 0 | ortho- and peri-fused polycyclic arene | |
perylene
Perylene: A 20-carbon dibenz(de,kl)anthracene that can be viewed as a naphthalene fused to a phenalene or as dinaphthalene. It is used as fluorescent lipid probe in the cytochemistry of membranes and is a polycyclic hydrocarbon pollutant in soil and water. Derivatives may be carcinogenic.. perylene : An ortho- and peri-fused polycyclic arene comprising of five benzene rings that is anthracene in which the d,e and k,l sides are fused to benzene rings. | 2.17 | 1 | 0 | ortho- and peri-fused polycyclic arene;
perylenes | |
chrysene
chrysene: structure in Merck Index, 9th ed, #2252. chrysene : An ortho-fused polycyclic arene found commonly in the coal tar. | 2.05 | 1 | 0 | ortho-fused polycyclic arene | plant metabolite |
quinazolines
Quinazolines: A group of aromatic heterocyclic compounds that contain a bicyclic structure with two fused six-membered aromatic rings, a benzene ring and a pyrimidine ring.. quinazoline : A mancude organic heterobicyclic parent that is naphthalene in which the carbon atoms at positions 1 and 3 have been replaced by nitrogen atoms.. quinazolines : Any organic heterobicyclic compound based on a quinazoline skeleton and its substituted derivatives. | 2.52 | 2 | 0 | azaarene;
mancude organic heterobicyclic parent;
ortho-fused heteroarene;
quinazolines | |
cyclopentane
Cyclopentanes: A group of alicyclic hydrocarbons with the general formula R-C5H9.. cyclopentanes : Cyclopentane and its derivatives formed by substitution. | 3.01 | 4 | 0 | cycloalkane;
cyclopentanes;
volatile organic compound | non-polar solvent |
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. | 2.08 | 1 | 0 | 1,3-oxazoles;
mancude organic heteromonocyclic parent;
monocyclic heteroarene | |
hydrindane
hydrindane: structure in first source. hydrindane : An ortho-fused bicyclic hydrocarbon comprising of a cyclohexane ring fused onto a cyclopentane ring. | 2.48 | 2 | 0 | ortho-fused bicyclic hydrocarbon | |
cyclooctanone
[no description available] | 2.02 | 1 | 0 | | |
oleanolic acid
[no description available] | 7.03 | 1 | 0 | hydroxy monocarboxylic acid;
pentacyclic triterpenoid | plant metabolite |
4,6-dinitro-o-cresol
4,6-dinitro-o-cresol: RN given refers to parent cpd; structure. 4,6-dinitro-o-cresol : A hydroxytoluene that is o-cresol carrying nitro substituents at positions 4 and 6. | 2.17 | 1 | 0 | dinitrophenol acaricide;
hydroxytoluene;
nitrotoluene | dinitrophenol insecticide;
fungicide;
herbicide |
2,2,4-trimethylpentane
2,2,4-trimethylpentane: nephrotoxic. isooctane : An alkane that consists of pentane bearing two methyl substituents at position 2 and a single methyl substituent at position 4. | 1.98 | 1 | 0 | alkane;
volatile organic compound | fuel additive;
nephrotoxin;
non-polar solvent |
n-hexadecane
n-hexadecane: structure. hexadecane : A straight-chain alkane with 16 carbon atoms. It is a component of essential oil isolated from long pepper. | 2.44 | 2 | 0 | long-chain alkane | non-polar solvent;
plant metabolite;
volatile oil component |
glycerylphosphorylcholine
Glycerylphosphorylcholine: A component of PHOSPHATIDYLCHOLINES or LECITHINS, in which the two hydroxy groups of GLYCEROL are esterified with fatty acids. (From Stedman, 26th ed) | 2.11 | 1 | 0 | glycerophosphocholine | |
iodobenzene
iodobenzene: RN given refers to unlabeled parent cpd | 2.07 | 1 | 0 | | |
2-cyclohexen-1-one
2-cyclohexen-1-one: RN given refers to unlabeled cpd with specified locant for double bond. cyclohexenone : The parent compound of the cyclohexenones, composed of cyclohexanone having one double bond in the ring.. cyclohex-2-enone : A cyclohexenone having its C=C double bond at the 2-position. | 2.11 | 1 | 0 | cyclohexenone | |
decane
decane : A straight-chain alkane with 10 carbon atoms. | 3.59 | 2 | 0 | alkane | |
pristane
pristane: structure. pristane : A norterpene that is an acyclic saturated hydrocarbon derived from phytane by loss of its C-16 terminal methyl group. | 2 | 1 | 0 | long-chain alkane;
norterpene | biomarker;
immunological adjuvant |
amo-1618
AMO-1618: RN given refers to chloride with piperidinyl group in position 1; structure | 1.96 | 1 | 0 | | |
2,2,4,4,6,8,8-heptamethylnonane
2,2,4,4,6,8,8-heptamethylnonane: structure in first source. 2,2,4,4,6,8,8-heptamethylnonane : A branched alkane that is nonane carrying seven methyl substituents at positions 2, 2, 4, 4, 6, 8 and 8. | 2.04 | 1 | 0 | alkane | |
1,3-dithiolane
[no description available] | 7.06 | 1 | 0 | dithiolane | |
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. | 8.08 | 5 | 0 | cycloalkene;
p-menthadiene | human metabolite |
manganese
Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035). manganese(4+) : A manganese cation that is monoatomic and has a formal charge of +4. | 2.07 | 1 | 0 | elemental manganese;
manganese group element atom | Escherichia coli metabolite;
micronutrient |
palladium
Palladium: A chemical element having an atomic weight of 106.4, atomic number of 46, and the symbol Pd. It is a white, ductile metal resembling platinum, and following it in abundance and importance of applications. It is used in dentistry in the form of gold, silver, and copper alloys.. palladium : Chemical element (nickel group element atom) with atomic number 46. | 2.05 | 1 | 0 | metal allergen;
nickel group element atom;
platinum group metal atom | |
ruthenium
Ruthenium: A hard, brittle, grayish-white rare earth metal with an atomic symbol Ru, atomic number 44, and atomic weight 101.07. It is used as a catalyst and hardener for PLATINUM and PALLADIUM. | 7.11 | 1 | 0 | iron group element atom;
platinum group metal atom | |
silver
Silver: An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA. | 2.05 | 1 | 0 | copper group element atom;
elemental silver | Escherichia coli metabolite |
titanium
Titanium: A dark-gray, metallic element of widespread distribution but occurring in small amounts with atomic number, 22, atomic weight, 47.867 and symbol, Ti; specific gravity, 4.5; used for fixation of fractures. | 3.02 | 4 | 0 | titanium group element atom | |
titanium tetrachloride
titanium tetrachloride: RN given refers to TiCl4 | 2.07 | 1 | 0 | | |
chlorine
Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. | 2.13 | 1 | 0 | diatomic chlorine;
gas molecular entity | bleaching agent |
procion blue mx-r
procion blue MX-R: used in affinity labeling of enzymes; RN given refers to parent cpd | 2.08 | 1 | 0 | | |
tiletamine hydrochloride
Cyclohexanones: Cyclohexane ring substituted by one or more ketones in any position.. cyclohexanones : Any alicyclic ketone based on a cyclohexane skeleton and its substituted derivatives thereof. | 2.72 | 3 | 0 | | |
levamisole
Levamisole: An antihelminthic drug that has been tried experimentally in rheumatic disorders where it apparently restores the immune response by increasing macrophage chemotaxis and T-lymphocyte function. Paradoxically, this immune enhancement appears to be beneficial in rheumatoid arthritis where dermatitis, leukopenia, and thrombocytopenia, and nausea and vomiting have been reported as side effects. (From Smith and Reynard, Textbook of Pharmacology, 1991, p435-6). levamisole : A 6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole that has S configuration. It is used (generally as the monohydrochloride salt) to treat parasitic worm infections in pigs, sheep and cattle and was formerly used in humans as an adjuvant to chemotherapy for the treatment of various cancers. It is also widely used as an adulterant to coccaine. | 1.97 | 1 | 0 | 6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole | antinematodal drug;
antirheumatic drug;
EC 3.1.3.1 (alkaline phosphatase) inhibitor;
immunological adjuvant;
immunomodulator |
fluorides
[no description available] | 2.07 | 1 | 0 | halide anion;
monoatomic fluorine | |
iodine
[no description available] | 2 | 1 | 0 | halide anion;
monoatomic iodine | human metabolite |
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. | 2.36 | 2 | 0 | benzenes;
phenyl acetates | |
alkenes
[no description available] | 3.28 | 6 | 0 | | |
lovastatin
Lovastatin: A fungal metabolite isolated from cultures of Aspergillus terreus. The compound is a potent anticholesteremic agent. It inhibits 3-hydroxy-3-methylglutaryl coenzyme A reductase (HYDROXYMETHYLGLUTARYL COA REDUCTASES), which is the rate-limiting enzyme in cholesterol biosynthesis. It also stimulates the production of low-density lipoprotein receptors in the liver.. lovastatin : A fatty acid ester that is mevastatin carrying an additional methyl group on the carbobicyclic skeleton. It is used in as an anticholesteremic drug and has been found in fungal species such as Aspergillus terreus and Pleurotus ostreatus (oyster mushroom). | 2.45 | 2 | 0 | delta-lactone;
fatty acid ester;
hexahydronaphthalenes;
polyketide;
statin (naturally occurring) | anticholesteremic drug;
antineoplastic agent;
Aspergillus metabolite;
prodrug |
mifepristone
Mifepristone: A progestational and glucocorticoid hormone antagonist. Its inhibition of progesterone induces bleeding during the luteal phase and in early pregnancy by releasing endogenous prostaglandins from the endometrium or decidua. As a glucocorticoid receptor antagonist, the drug has been used to treat hypercortisolism in patients with nonpituitary CUSHING SYNDROME. | 2.04 | 1 | 0 | 3-oxo-Delta(4) steroid;
acetylenic compound;
tertiary amino compound | abortifacient;
contraceptive drug;
hormone antagonist;
synthetic oral contraceptive |
n-butyllithium
[no description available] | 2.47 | 2 | 0 | | |
mevastatin
mevastatin: antifungal metabolite from Penicillium brevicopactum; potent inhibitory activity to sterol synthesis; structure. mevastatin : A carboxylic ester that is pravastatin that is lacking the allylic hydroxy group. A hydroxymethylglutaryl-CoA reductase inhibitor (statin) isolated from Penicillium citrinum and from Penicillium brevicompactum, its clinical use as a lipid-regulating drug ceased following reports of toxicity in animals. | 2.02 | 1 | 0 | 2-pyranones;
carboxylic ester;
hexahydronaphthalenes;
polyketide;
statin (naturally occurring) | antifungal agent;
apoptosis inducer;
EC 3.4.24.83 (anthrax lethal factor endopeptidase) inhibitor;
fungal metabolite;
Penicillium metabolite |
cyclen
cyclen: macrocyclic polyamine metal-complexing agent. 1,4,7,10-tetraazacyclododecane : An azacycloalkane that is cyclododecane in which the carbon atoms at positions 1, 4, 7 and 10 are replaced by nitrogen atoms. | 2.07 | 1 | 0 | azacycloalkane;
crown amine;
saturated organic heteromonocyclic parent | |
1h-tetrazole
tetrazole : An azaarene that is a five-membered ring composed of 4 nitrogen and 1 carbon atom.. 2H-tetrazole : A tetrazole tautomer where the proton is located on the 2 position. | 2.05 | 1 | 0 | one-carbon compound;
tetrazole | |
leupeptin
[no description available] | 1.98 | 1 | 0 | aldehyde;
tripeptide | bacterial metabolite;
calpain inhibitor;
cathepsin B inhibitor;
EC 3.4.21.4 (trypsin) inhibitor;
serine protease inhibitor |
elsinochrome a
elsinochrome A: RN given refers to (trans)-isomer; structure given in first source | 2.17 | 1 | 0 | | |
ambrox
ambrox: structure in first source | 7.03 | 1 | 0 | naphthofuran | |
pumiliotoxin c
pumiliotoxin C: isolated from skin of Dendrobates pumilio (frog); see also records for pumiliotoxin A, pumiliotoxin B & pumiliotoxins | 7.01 | 1 | 0 | | |
e 64
E 64: cysteine protease inhibitor of microbial origin, which inhibits cathepsin B (EC 3.4.22.1) and cathepsin L (EC 3.4.22.-) | 1.98 | 1 | 0 | dicarboxylic acid monoamide;
epoxy monocarboxylic acid;
guanidines;
L-leucine derivative;
zwitterion | antimalarial;
antiparasitic agent;
protease inhibitor |
salvinorin a
salvinorin A: from the herb, Salvia divinorum | 7.48 | 2 | 0 | organic heterotricyclic compound;
organooxygen compound | metabolite;
oneirogen |
dithiane
dithiane: structure in first source | 2.13 | 1 | 0 | dithiane | |
bw 58c
[no description available] | 1.97 | 1 | 0 | | |
singlet oxygen
Singlet Oxygen: An excited state of molecular oxygen generated photochemically or chemically. Singlet oxygen reacts with a variety of biological molecules such as NUCLEIC ACIDS; PROTEINS; and LIPIDS; causing oxidative damages. | 2.04 | 1 | 0 | chalcogen;
monoatomic oxygen;
nonmetal atom | macronutrient |
benzofurans
Benzofurans: Compounds that contain a BENZENE ring fused to a furan ring. | 2.04 | 1 | 0 | | |
leupeptins
Leupeptins: A group of acylated oligopeptides produced by Actinomycetes that function as protease inhibitors. They have been known to inhibit to varying degrees trypsin, plasmin, KALLIKREINS, papain and the cathepsins. | 1.98 | 1 | 0 | | |
retinol
Vitamin A: Retinol and derivatives of retinol that play an essential role in metabolic functioning of the retina, the growth of and differentiation of epithelial tissue, the growth of bone, reproduction, and the immune response. Dietary vitamin A is derived from a variety of CAROTENOIDS found in plants. It is enriched in the liver, egg yolks, and the fat component of dairy products.. vitamin A : Any member of a group of fat-soluble retinoids produced via metabolism of provitamin A carotenoids that exhibit biological activity against vitamin A deficiency. Vitamin A is involved in immune function, vision, reproduction, and cellular communication.. all-trans-retinol : A retinol in which all four exocyclic double bonds have E- (trans-) geometry.. retinol : A retinoid consisting of 3,7-dimethylnona-2,4,6,8-tetraen-1-ol substituted at position 9 by a 2,6,6-trimethylcyclohex-1-en-1-yl group (geometry of the four exocyclic double bonds is not specified). | 1.93 | 1 | 0 | retinol;
vitamin A | human metabolite;
mouse metabolite;
plant metabolite |
oleic acid
Oleic Acid: An unsaturated fatty acid that is the most widely distributed and abundant fatty acid in nature. It is used commercially in the preparation of oleates and lotions, and as a pharmaceutical solvent. (Stedman, 26th ed). oleic acid : An octadec-9-enoic acid in which the double bond at C-9 has Z (cis) stereochemistry. | 2.1 | 1 | 0 | octadec-9-enoic acid | antioxidant;
Daphnia galeata metabolite;
EC 3.1.1.1 (carboxylesterase) inhibitor;
Escherichia coli metabolite;
mouse metabolite;
plant metabolite;
solvent |
glycosides
[no description available] | 2.71 | 3 | 0 | | |
squalene
Addavax: an oil-water nanoemulsion and adjuvant containing squalene, Tween 80, and sorbitane trioleate | 1.96 | 1 | 0 | triterpene | human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
sesquiterpenes
[no description available] | 3.31 | 6 | 0 | | |
trithiocyanuric acid
trithiocyanuric acid: rubber curative; RN given refers to parent cpd | 2.07 | 1 | 0 | | |
nootkatone
nootkatone: RN given refers to cpd without isomeric designation; structure given in first source. (+)-nootkatone : A sesquiterpenoid that is 4,4a,5,6,7,8-hexahydronaphthalen-2(3H)-one which is substituted by methyl groups at positions 4 and 4a, and by an isopropenyl group at position 6 (the 4R,4aS,6R stereoisomer). | 7.08 | 1 | 0 | carbobicyclic compound;
enone;
sesquiterpenoid | fragrance;
insect repellent;
plant metabolite |
lithium
Lithium: An element in the alkali metals family. It has the atomic symbol Li, atomic number 3, and atomic weight [6.938; 6.997]. Salts of lithium are used in treating BIPOLAR DISORDER. | 2.44 | 2 | 0 | alkali metal atom | |
rtki cpd
RTKI cpd: preferentially inhibits human glioma cells expressing truncated rather than wild-type epidermal growth factor receptors | 2.1 | 1 | 0 | | |
naphthoquinones
Naphthoquinones: Naphthalene rings which contain two ketone moieties in any position. They can be substituted in any position except at the ketone groups. | 1.97 | 1 | 0 | | |
australifungin
australifungin: contains a combination of alpha-diketone and beta-ketoaldehyde groups; from Sporormiella australis; inhibits sphinganine N-acyltransferase (ceramide synthetase); structure given in first source. australifungin : A carbobicyclic compound that is 4a,5,6,7,8,8a-hexahydronaphthalen-1(4H)-one substituted by hydroxy groups at positions 2, 5 and 8, a (2Z)-3-hydroxyprop-2-enoyl group at position 4, methyl groups at positions 4 and 7 and a 2R-octan-2-yl group at position 3 (the 4S,4aR,5S,7R,8R,8aS stereoisomer). It is isolated from the fermentation extracts of Sporormiella australis and exhibits antifungal activity by interfering with the fungal lipid metabolism. | 2.13 | 1 | 0 | carbobicyclic compound;
enol;
enone;
secondary alcohol | antifungal agent;
EC 2.3.1.24 (sphingosine N-acyltransferase) inhibitor;
HIV-1 integrase inhibitor;
metabolite |
calcitriol
dihydroxy-vitamin D3: as a major in vitro metabolite of 1alpha,25-dihydroxyvitamin D3, produced in primary cultures of neonatal human keratinocytes | 2.43 | 2 | 0 | D3 vitamins;
hydroxycalciol;
triol | antineoplastic agent;
antipsoriatic;
bone density conservation agent;
calcium channel agonist;
calcium channel modulator;
hormone;
human metabolite;
immunomodulator;
metabolite;
mouse metabolite;
nutraceutical |
vitamin k semiquinone radical
vitamin K semiquinone radical: found in active preparations of vitamin K-dependent carboxylase. vitamin K : Any member of a group of fat-soluble 2-methyl-1,4-napthoquinones that exhibit biological activity against vitamin K deficiency. Vitamin K is required for the synthesis of prothrombin and certain other blood coagulation factors. | 1.93 | 1 | 0 | | |
cholecalciferol
Cholecalciferol: Derivative of 7-dehydroxycholesterol formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. It differs from ERGOCALCIFEROL in having a single bond between C22 and C23 and lacking a methyl group at C24.. calciol : A hydroxy seco-steroid that is (5Z,7E)-9,10-secocholesta-5,7,10(19)-triene in which the pro-S hydrogen at position 3 has been replaced by a hydroxy group. It is the inactive form of vitamin D3, being hydroxylated in the liver to calcidiol (25-hydroxyvitamin D3), which is then further hydroxylated in the kidney to give calcitriol (1,25-dihydroxyvitamin D3), the active hormone. | 3.41 | 1 | 0 | D3 vitamins;
hydroxy seco-steroid;
seco-cholestane;
secondary alcohol;
steroid hormone | geroprotector;
human metabolite |
azadirachtin
azadirachtin A : A member of the family of azadirachtins that is isolated from the neem tree (Azadirachta indica).. azadirachtin : A family of terpenoids isolated from the neem tree (Azadirachta indica). | 2.43 | 2 | 0 | acetate ester;
azadirachtin;
cyclic hemiketal;
enoate ester;
epoxide;
methyl ester;
organic heterotetracyclic compound;
secondary alcohol;
tertiary alcohol | hepatoprotective agent |
nalorphine
Nalorphine: A narcotic antagonist with some agonist properties. It is an antagonist at mu opioid receptors and an agonist at kappa opioid receptors. Given alone it produces a broad spectrum of unpleasant effects and it is considered to be clinically obsolete. | 1.93 | 1 | 0 | morphinane alkaloid | |
1,2-oleoylphosphatidylcholine
1,2-oleoylphosphatidylcholine: RN given refers to (Z,Z)-isomer. dioleoyl phosphatidylcholine : A phosphatidylcholine in which the phosphatidyl acyl groups are both oleoyl. | 2.49 | 2 | 0 | phosphatidylcholine(1+) | |
andrographolide
[no description available] | 7.25 | 1 | 0 | carbobicyclic compound;
gamma-lactone;
labdane diterpenoid;
primary alcohol;
secondary alcohol | anti-HIV agent;
anti-inflammatory drug;
antineoplastic agent;
metabolite |
dextromethorphan
Dextromethorphan: Methyl analog of DEXTRORPHAN that shows high affinity binding to several regions of the brain, including the medullary cough center. This compound is an NMDA receptor antagonist (RECEPTORS, N-METHYL-D-ASPARTATE) and acts as a non-competitive channel blocker. It is one of the widely used ANTITUSSIVES, and is also used to study the involvement of glutamate receptors in neurotoxicity.. dextromethorphan : A 6-methoxy-11-methyl-1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene in which the sterocenters at positions 4a, 10 and 10a have S-configuration. It is a prodrug of dextrorphan and used as an antitussive drug for suppressing cough. | 2.03 | 1 | 0 | 6-methoxy-11-methyl-1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene | antitussive;
environmental contaminant;
neurotoxin;
NMDA receptor antagonist;
oneirogen;
prodrug;
xenobiotic |
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. | 2.13 | 1 | 0 | chalcogen;
nonmetal atom | macronutrient |
dimyristoylphosphatidylcholine
1,2-di-O-myristoyl-sn-glycero-3-phosphocholine : A 1,2-diacyl-sn-glycero-3-phosphocholine where the two phosphatidyl acyl groups are specified as tetradecanoyl (myristoyl).. dimyristoyl phosphatidylcholine : A phosphatidylcholine where the phosphatidyl acyl groups are specified as tetradecanoyl (myristoyl). | 2.49 | 2 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine;
phosphatidylcholine 28:0;
tetradecanoate ester | antigen;
mouse metabolite |
silicon
Silicon: A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086]. | 3.12 | 1 | 0 | carbon group element atom;
metalloid atom;
nonmetal atom | |
phosphorus
Phosphorus: A non-metal element that has the atomic symbol P, atomic number 15, and atomic weight 31. It is an essential element that takes part in a broad variety of biochemical reactions. | 1.97 | 1 | 0 | monoatomic phosphorus;
nonmetal atom;
pnictogen | macronutrient |
lycodine
lycodine: structure in first source | 2.08 | 1 | 0 | phenanthrol | |
vinigrol
vinigrol: structure given in first source; produced by Virgaria nigra | 2.04 | 1 | 0 | | |
tyrphostin ag825
tyrphostin AG825: a tyrphostin of the benzylidene malononitrile family; an erbB2 antagonist. tyrphostin AG 825 : An organic sulfide that consists of 1,3-benzothiazole-2-thiol in which the hydrogen attached to the sulfur atom is replaced by a 5-[(1E)-3-amino-2-cyano-3-oxoprop-1-en-1-yl]-2-hydroxy-3-methoxybenzyl group. It acts as an epidermal growth factor receptor antagonist. | 2.1 | 1 | 0 | aromatic ether;
benzothiazoles;
enamide;
nitrile;
organic sulfide;
phenols;
primary carboxamide | epidermal growth factor receptor antagonist |
1-palmitoyl-2-oleoylphosphatidylcholine
1-palmitoyl-2-oleoylphosphatidylcholine: RN given refers to (Z)-isomer | 2.52 | 2 | 0 | | |
luminamicin
luminamicin: active against anaerobic bacteria, especially Clostridium sp.; isolated from actinomycete strain OMR-59; MF: C32-H38-O12 | 7.17 | 1 | 0 | | |
2-aza-2-dihydrosqualene
2-aza-2-dihydrosqualene: 2,3-oxidosqualene cyclase inhibitor | 1.96 | 1 | 0 | | |
bornyl acetate
[no description available] | 2.07 | 1 | 0 | acetate ester;
monoterpenoid | |
bibw 2992
[no description available] | 2.15 | 1 | 0 | aromatic ether;
enamide;
furans;
monochlorobenzenes;
organofluorine compound;
quinazolines;
secondary carboxamide;
tertiary amino compound | antineoplastic agent;
tyrosine kinase inhibitor |
superstolide a
superstolide A: isolated from the deep water sponge Neosiphonia superstes; made up of a decalin system fused with a 16-membered macrolide; structure given in first source | 2.06 | 1 | 0 | | |
fusarielin a
fusarielin A: obtained from a Fusarium sp.; structure given in first source | 2.03 | 1 | 0 | | |
tetrodecamycin
tetrodecamycin: related to the acyl tetronic acids; structure given in first source | 7.02 | 1 | 0 | | |
peribysin e
peribysin E: isolated from Periconia byssoides; structure in first source | 2.04 | 1 | 0 | | |
complanadine a
complanadine A: a Lycopodium alkaloid; structure in first source | 2.08 | 1 | 0 | | |
complanadine b
complanadine B: isolated from Lycopodium complanatum; structure in first source | 2.08 | 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. | 1.97 | 1 | 0 | | |
phosphatidylcholines
Phosphatidylcholines: Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety. | 2.79 | 3 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine | |
meiogynin a
meiogynin A: from the bark of Meiogyne cylindrocarpa; structure in first source | 2.11 | 1 | 0 | | |
piperidines
Piperidines: A family of hexahydropyridines. | 2 | 1 | 0 | | |
tetracycline
Tetracycline: A naphthacene antibiotic that inhibits AMINO ACYL TRNA binding during protein synthesis.. tetracycline : A broad-spectrum polyketide antibiotic produced by the Streptomyces genus of actinobacteria. | 2.1 | 1 | 0 | | |
equisetin
equisetin: antibiotic from Fusarium equiseti; derivative of N-methyl-2,4-pyrollidone with elemental composition C22-H31-N-O4; N1 same as NM. equisetin : A member of the class of tetramic acids that is trichosetin in which the hydrogen attached to the lactam nitrogen has been replaced by a methyl group. It is produced by the filamentous fungus Fusarium heterosporum. | 8.05 | 4 | 0 | enol;
octahydronaphthalenes;
primary alcohol;
tetramic acids | antibacterial agent;
fungal metabolite;
HIV-1 integrase inhibitor;
quorum sensing inhibitor |
tetramic acid
tetramic acid : A gamma-lactam that is 1,3-dihydro-2H-pyrrol-2-one in which the hydrogen at position 4 has been replaced by a hydroxy group. Despite its simple structure, it was not synthesised until 1972; earlier attempts were later shown to have resulted only in the formation of the isomer 5-imino-4,5-dihydrofuran-3-ol. | 3.24 | 5 | 0 | | |
2,4-dihydroxypyridine
[no description available] | 2.15 | 1 | 0 | pyridone | |
fusarisetin a
fusarisetin A: from soil fungus, Fusarium sp. FN080326; structure in first source | 2.08 | 1 | 0 | | |
bw 540c
[no description available] | 1.97 | 1 | 0 | | |
phosphorus radioisotopes
Phosphorus Radioisotopes: Unstable isotopes of phosphorus that decay or disintegrate emitting radiation. P atoms with atomic weights 28-34 except 31 are radioactive phosphorus isotopes. | 1.97 | 1 | 0 | | |
himgaline
himgaline: complex polycyclic alkaloid from Galbulimima belgraveana, a rain forest tree native to Papua New Guinea and northern Australia; structure in first source | 2.03 | 1 | 0 | | |