| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
hydrobromic acid
Hydrobromic Acid: Hydrobromic acid (HBr). A solution of hydrogen bromide gas in water.. hydrobromide : Salts formally resulting from the reaction of hydrobromic acid with an organic base.. hydrogen bromide : A diatomic molecule containing covalently bonded hydrogen and bromine atoms. | 3.12 | 5 | 0 | gas molecular entity;
hydrogen halide;
mononuclear parent hydride | mouse metabolite |
hydrochloric acid
Hydrochloric Acid: A strong corrosive acid that is commonly used as a laboratory reagent. It is formed by dissolving hydrogen chloride in water. GASTRIC ACID is the hydrochloric acid component of GASTRIC JUICE.. hydrogen chloride : A mononuclear parent hydride consisting of covalently bonded hydrogen and chlorine atoms. | 3.12 | 5 | 0 | chlorine molecular entity;
gas molecular entity;
hydrogen halide;
mononuclear parent hydride | mouse metabolite |
hydrogen sulfide
Hydrogen Sulfide: A flammable, poisonous gas with a characteristic odor of rotten eggs. It is used in the manufacture of chemicals, in metallurgy, and as an analytical reagent. (From Merck Index, 11th ed). hydrogen sulfide : A sulfur hydride consisting of a single sulfur atom bonded to two hydrogen atoms. A highly poisonous, flammable gas with a characteristic odour of rotten eggs, it is often produced by bacterial decomposition of organic matter in the absence of oxygen.. thiol : An organosulfur compound in which a thiol group, -SH, is attached to a carbon atom of any aliphatic or aromatic moiety. | 3.12 | 5 | 0 | gas molecular entity;
hydracid;
mononuclear parent hydride;
sulfur hydride | Escherichia coli metabolite;
genotoxin;
metabolite;
signalling molecule;
toxin;
vasodilator agent |
cyanic acid
[no description available] | 2.94 | 4 | 0 | one-carbon compound;
pseudohalogen oxoacid | |
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. | 2.11 | 1 | 0 | sulfoxide;
volatile organic compound | alkylating agent;
antidote;
Escherichia coli metabolite;
geroprotector;
MRI contrast agent;
non-narcotic analgesic;
polar aprotic solvent;
radical scavenger |
carbonic acid
Carbonic Acid: Carbonic acid (H2C03). The hypothetical acid of carbon dioxide and water. It exists only in the form of its salts (carbonates), acid salts (hydrogen carbonates), amines (carbamic acid), and acid chlorides (carbonyl chloride). (From Grant & Hackh's Chemical Dictionary, 5th ed) | 3.12 | 5 | 0 | carbon oxoacid;
chalcocarbonic acid | mouse metabolite |
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 | 3.12 | 5 | 0 | hydracid;
one-carbon compound | Escherichia coli metabolite;
human metabolite;
poison |
thiocyanic acid
thiocyanic acid : A hydracid that is cyanic acid in which the oxygen is replaced by a sulfur atom. | 3.12 | 5 | 0 | hydracid;
one-carbon compound;
organosulfur compound | Escherichia coli 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. | 2.02 | 1 | 0 | elemental hydrogen;
elemental molecule;
gas molecular entity | antioxidant;
electron donor;
food packaging gas;
fuel;
human metabolite |
methanol
Methanol: A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.. primary alcohol : A primary alcohol is a compound in which a hydroxy group, -OH, is attached to a saturated carbon atom which has either three hydrogen atoms attached to it or only one other carbon atom and two hydrogen atoms attached to it.. methanol : The primary alcohol that is the simplest aliphatic alcohol, comprising a methyl and an alcohol group. | 2.11 | 1 | 0 | alkyl alcohol;
one-carbon compound;
primary alcohol;
volatile organic compound | amphiprotic solvent;
Escherichia coli metabolite;
fuel;
human metabolite;
mouse metabolite;
Mycoplasma genitalium metabolite |
nitric acid
Nitric Acid: Nitric acid (HNO3). A colorless liquid that is used in the manufacture of inorganic and organic nitrates and nitro compounds for fertilizers, dye intermediates, explosives, and many different organic chemicals. Continued exposure to vapor may cause chronic bronchitis; chemical pneumonitis may occur. (From Merck Index, 11th ed). nitric acid : A nitrogen oxoacid of formula HNO3 in which the nitrogen atom is bonded to a hydroxy group and by equivalent bonds to the remaining two oxygen atoms. | 8.27 | 6 | 0 | nitrogen oxoacid | protic solvent;
reagent |
nitrites
Nitrites: Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M=metal) are all insoluble, except the alkali nitrites. The organic nitrites may be isomeric, but not identical with the corresponding nitro compounds. (Grant & Hackh's Chemical Dictionary, 5th ed) | 2.03 | 1 | 0 | monovalent inorganic anion;
nitrogen oxoanion;
reactive nitrogen species | human metabolite |
nitrous oxide
Nitrous Oxide: Nitrogen oxide (N2O). A colorless, odorless gas that is used as an anesthetic and analgesic. High concentrations cause a narcotic effect and may replace oxygen, causing death by asphyxia. It is also used as a food aerosol in the preparation of whipping cream.. dinitrogen oxide : A nitrogen oxide consisting of linear unsymmetrical molecules with formula N2O. While it is the most used gaseous anaesthetic in the world, its major commercial use, due to its solubility under pressure in vegetable fats combined with its non-toxicity in low concentrations, is as an aerosol spray propellant and aerating agent for canisters of 'whipped' cream. | 2.03 | 1 | 0 | gas molecular entity;
nitrogen oxide | analgesic;
bacterial metabolite;
food packaging gas;
food propellant;
general anaesthetic;
greenhouse gas;
inhalation anaesthetic;
NMDA receptor antagonist;
raising agent;
refrigerant;
vasodilator agent |
sulfurous acid
[no description available] | 2.94 | 4 | 0 | sulfur oxoacid | |
sulfuric acid
sulfuric acid : A sulfur oxoacid that consists of two oxo and two hydroxy groups joined covalently to a central sulfur atom. | 3.29 | 6 | 0 | sulfur oxoacid | catalyst |
2,2'-dipyridyl
2,2'-Dipyridyl: A reagent used for the determination of iron.. 2,2'-bipyridine : A bipyridine in which the two pyridine moieties are linked by a bond between positions C-2 and C-2'. | 2.25 | 1 | 0 | bipyridine | chelator;
ferroptosis inhibitor |
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) | 2.06 | 1 | 0 | monocarboxylic acid amide;
sulfonamide;
thiadiazoles | anticonvulsant;
diuretic;
EC 4.2.1.1 (carbonic anhydrase) inhibitor |
celecoxib
[no description available] | 2.06 | 1 | 0 | organofluorine compound;
pyrazoles;
sulfonamide;
toluenes | cyclooxygenase 2 inhibitor;
geroprotector;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug |
dichlorphenamide
Dichlorphenamide: A carbonic anhydrase inhibitor that is used in the treatment of glaucoma.. diclofenamide : A sulfonamide that is benzene-1,3-disulfonamide in which the hydrogens at positions 4 and 5 are substituted by chlorine. An oral carbonic anhydrase inhibitor, it partially suppresses the secretion (inflow) of aqueous humor in the eye and so reduces intraocular pressure. It is used for the treatment of glaucoma. | 2.06 | 1 | 0 | dichlorobenzene;
sulfonamide | antiglaucoma drug;
EC 4.2.1.1 (carbonic anhydrase) inhibitor;
ophthalmology drug |
ethoxzolamide
Ethoxzolamide: A carbonic anhydrase inhibitor used as diuretic and in glaucoma. It may cause hypokalemia.. ethoxzolamide : A sulfonamide that is 1,3-benzothiazole-2-sulfonamide which is substituted by an ethoxy group at position 6. A carbonic anhydrase inhibitor, it has been used in the treatment of glaucoma, and as a diuretic. | 2.06 | 1 | 0 | aromatic ether;
benzothiazoles;
sulfonamide | antiglaucoma drug;
diuretic;
EC 4.2.1.1 (carbonic anhydrase) inhibitor |
mafenide
Mafenide: A sulfonamide that inhibits the enzyme CARBONIC ANHYDRASE and is used as a topical anti-bacterial agent, especially in burn therapy. | 2.06 | 1 | 0 | aromatic amine | |
methazolamide
Methazolamide: A carbonic anhydrase inhibitor that is used as a diuretic and in the treatment of glaucoma. | 2.06 | 1 | 0 | sulfonamide;
thiadiazoles | |
saccharin
Saccharin: Flavoring agent and non-nutritive sweetener.. saccharin : A 1,2-benzisothiazole having a keto-group at the 3-position and two oxo substituents at the 1-position. It is used as an artificial sweetening agent. | 2.06 | 1 | 0 | 1,2-benzisothiazole;
N-sulfonylcarboxamide | environmental contaminant;
sweetening agent;
xenobiotic |
sulfanilamide
[no description available] | 2.06 | 1 | 0 | substituted aniline;
sulfonamide antibiotic;
sulfonamide | antibacterial agent;
drug allergen;
EC 4.2.1.1 (carbonic anhydrase) inhibitor |
sulpiride
Sulpiride: A dopamine D2-receptor antagonist. It has been used therapeutically as an antidepressant, antipsychotic, and as a digestive aid. (From Merck Index, 11th ed). sulpiride : A member of the class of benzamides obtained from formal condensation between the carboxy group of 2-methoxy-5-sulfamoylbenzoic acid and the primary amino group of (1-ethylpyrrolidin-2-yl)methylamine. | 2.06 | 1 | 0 | benzamides;
N-alkylpyrrolidine;
sulfonamide | antidepressant;
antiemetic;
antipsychotic agent;
dopaminergic antagonist |
sulthiame
sulthiame: was heading 1964-94 (see under THIAZINES 1964-90); use THIAZINES to search SULTHIAME 1966-94 | 2.06 | 1 | 0 | organic molecular entity | |
zonisamide
Zonisamide: A benzisoxazole and sulfonamide derivative that acts as a CALCIUM CHANNEL blocker. It is used primarily as an adjunctive antiepileptic agent for the treatment of PARTIAL SEIZURES, with or without secondary generalization.. zonisamide : A 1,2-benzoxazole compound having a sulfamoylmethyl substituent at the 3-position. | 2.06 | 1 | 0 | 1,2-benzoxazoles;
sulfonamide | anticonvulsant;
antioxidant;
central nervous system drug;
protective agent;
T-type calcium channel blocker |
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. | 1.92 | 1 | 0 | organic heterobicyclic compound;
organonitrogen heterocyclic compound | |
sulfamic acid
sulfamic acid: standard in alkalimetry; RN given refers to parent cpd; structure. sulfamic acid : The simplest of the sulfamic acids consisting of a single sulfur atom covalently bound by single bonds to hydroxy and amino groups and by double bonds to two oxygen atoms. | 3.12 | 5 | 0 | sulfamic acids | |
4-toluenesulfonamide
4-toluenesulfonamide: RN given refers to parent cpd. toluene-4-sulfonamide : A sulfonamide that is benzenesulfonamide bearing a methyl group at position 4. | 2.06 | 1 | 0 | sulfonamide | |
propane
Propane: A three carbon alkane with the formula H3CCH2CH3. | 2.03 | 1 | 0 | alkane;
gas molecular entity | food propellant |
benzenearsonic acid
benzenearsonic acid: RN given refers to parent cpd; structure | 2.73 | 3 | 0 | arsonic acids;
organoarsonic acid | |
cyclohexanone
[no description available] | 6.92 | 1 | 0 | cyclohexanones | human xenobiotic metabolite |
carzenide
[no description available] | 2.06 | 1 | 0 | sulfonamide | |
aziridine
[no description available] | 2.25 | 1 | 0 | azacycloalkane;
aziridines;
saturated organic heteromonocyclic parent | alkylating agent |
ketene
ketene: structure. ketene : Carbonyl compounds where the C=O bond is conjugated to an alkylidene group. | 7.03 | 1 | 0 | ketene | |
sodium hydroxide
Sodium Hydroxide: A highly caustic substance that is used to neutralize acids and make sodium salts. (From Merck Index, 11th ed) | 1.99 | 1 | 0 | alkali metal hydroxide | |
hydrofluoric acid
Hydrofluoric Acid: Hydrofluoric acid. A solution of hydrogen fluoride in water. It is a colorless fuming liquid which can cause painful burns.. hydrogen fluoride : A diatomic molecule containing covalently bonded hydrogen and fluorine atoms.. organofluorine compound : An organofluorine compound is a compound containing at least one carbon-fluorine bond. | 3.12 | 5 | 0 | hydrogen halide;
mononuclear parent hydride | NMR chemical shift reference compound |
benzolamide
Benzolamide: Selective renal carbonic anhydrase inhibitor. It may also be of use in certain cases of respiratory failure. | 2.06 | 1 | 0 | | |
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. | 7.15 | 1 | 0 | copper group element atom;
elemental gold | |
nitrous acid
Nitrous Acid: Nitrous acid (HNO2). A weak acid that exists only in solution. It can form water-soluble nitrites and stable esters. (From Merck Index, 11th ed) | 3.12 | 5 | 0 | nitrogen oxoacid | |
hydroiodic acid
hydrogen iodide : A diatomic molecule containing covalently bonded hydrogen and iodine atoms. | 3.12 | 5 | 0 | gas molecular entity;
hydrogen halide;
mononuclear parent hydride | mouse metabolite |
salen
disalicylaldehyde ethylenediamine: reagents for determination of iron | 2.02 | 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. | 1.92 | 1 | 0 | | |
tributyl phosphate
tributyl phosphate: a detergent. tributyl phosphate : A trialkyl phosphate that is the tributyl ester of phosphoric acid. | 7 | 1 | 0 | trialkyl phosphate | |
sodium azide
Sodium Azide: A cytochrome oxidase inhibitor which is a nitridizing agent and an inhibitor of terminal oxidation. (From Merck Index, 12th ed). sodium azide : The sodium salt of hydrogen azide (hydrazoic acid). | 8.25 | 6 | 0 | inorganic sodium salt | antibacterial agent;
explosive;
mitochondrial respiratory-chain inhibitor;
mutagen |
azides
Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 5.83 | 30 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
benzeneboronic acid
[no description available] | 3.12 | 5 | 0 | boronic acids | |
4-amino-6-chloro-1,3-benzenedisulfonamide
4-amino-6-chloro-1,3-benzenedisulfonamide: metabolite of hydrochlorothiazide | 2.06 | 1 | 0 | sulfonamide | |
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. | 2.76 | 2 | 0 | 1,2,3-triazole | |
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. | 7.05 | 1 | 0 | one-carbon compound;
tetrazole | |
brinzolamide
brinzolamide: an antiglaucoma agent | 2.06 | 1 | 0 | sulfonamide;
thienothiazine | antiglaucoma drug;
EC 4.2.1.1 (carbonic anhydrase) inhibitor |
2,4-disulfamyl-5-trifluoromethylaniline
2,4-disulfamyl-5-trifluoromethylaniline: precursor of hydroflumethiazide | 2.06 | 1 | 0 | | |
2-aminobenzenesulfonamide
[no description available] | 2.06 | 1 | 0 | benzenes;
sulfonamide | |
azidotrimethylsilane
azidotrimethylsilane: structure in first source | 2.31 | 1 | 0 | | |
sulfamide
sulfamide : The simplest of the sulfamic acids consisting of a single sulfur atom covalently bound by single bonds to two amino groups and by double bonds to two oxygen atoms. | 3.12 | 5 | 0 | sulfamides | |
5-amino-1,3,4-thiadiazole-2-sulfonamide
5-amino-1,3,4-thiadiazole-2-sulfonamide: structure in first source | 2.06 | 1 | 0 | | |
valdecoxib
[no description available] | 2.06 | 1 | 0 | isoxazoles;
sulfonamide | antipyretic;
antirheumatic drug;
cyclooxygenase 2 inhibitor;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug |
4-(2-aminoethyl)benzenesulfonamide
[no description available] | 2.06 | 1 | 0 | | |
n-(3-chloro-7-indolyl)-1,4-benzenedisulphonamide
N-(3-chloro-7-indolyl)-1,4-benzenedisulphonamide: structure in first source. indisulam : A chloroindole that is 3-chloro-1H-indole substituted by a [(4-sulfamoylphenyl)sulfonyl]nitrilo group at position 7. It is a carbonic anhydrase inhibitor and a potential anti-cancer agent currently in clinical development. | 2.06 | 1 | 0 | chloroindole;
organochlorine compound;
sulfonamide | antineoplastic agent;
EC 4.2.1.1 (carbonic anhydrase) inhibitor |
dorzolamide
dorzolamide: topically effective ocular hypotensive carbonic anhydrase inhibitor; RN refers to mono-HCl (4S-trans)-isomer. dorzolamide : 5,6-Dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide in which hydrogens at the 4 and 6 positions are substituted by ethylamino and methyl groups, respectively (4S, trans-configuration). A carbonic anhydrase inhibitor, it is used as the hydrochloride in ophthalmic solutions to lower increased intraocular pressure in the treatment of open-angle glaucoma and ocular hypertension. | 2.06 | 1 | 0 | sulfonamide;
thiophenes | antiglaucoma drug;
antihypertensive agent;
EC 4.2.1.1 (carbonic anhydrase) inhibitor |
topiramate
Topiramate: A sulfamate-substituted fructose analog that was originally identified as a hypoglycemic agent. It is used for the treatment of EPILEPSY and MIGRAINE DISORDERS, and may also promote weight loss.. topiramate : A hexose derivative that is 2,3:4,5-di-O-isopropylidene-beta-D-fructopyranose in which the hydroxy group has been converted to the corresponding sulfamate ester. It blocks voltage-dependent sodium channels and is used as an antiepileptic and for the prevention of migraine. | 2.06 | 1 | 0 | cyclic ketal;
ketohexose derivative;
sulfamate ester | anticonvulsant;
sodium channel blocker |
tin
[no description available] | 3.11 | 1 | 0 | carbon group element atom;
elemental tin;
metal atom | micronutrient |
aluminum
Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 2.02 | 1 | 0 | boron group element atom;
elemental aluminium;
metal atom | |
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]. | 3.11 | 1 | 0 | carbon group element atom;
metalloid atom;
nonmetal atom | |
dermorphin
dermorphin: opiate-like peptide present in amphibian skin | 1.97 | 1 | 0 | oligopeptide | |
eledoisin
Eledoisin: A peptide extracted from the posterior salivary glands of certain small octopi (Eledone spp., Mollusca), or obtained by synthesis. Its actions resemble those of SUBSTANCE P; it is a potent vasodilator and increases capillary permeability. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1364) | 1.97 | 1 | 0 | peptide | |
ceruletide
Ceruletide: A specific decapeptide obtained from the skin of Hila caerulea, an Australian amphibian. Caerulein is similar in action and composition to CHOLECYSTOKININ. It stimulates gastric, biliary, and pancreatic secretion; and certain smooth muscle. It is used in paralytic ileus and as diagnostic aid in pancreatic malfunction.. ceruletide : A decapeptide comprising 5-oxoprolyl, glutamyl, aspartyl, O-sulfotyrosyl, threonyl, glycyl, tryptopyl, methionyl, aspartyl and phenylalaninamide residues in sequence. Found in the skins of certain Australian amphibians, it is an analogue of the gastrointestinal peptide hormone cholecystokinin and stimulates gastric, biliary, and pancreatic secretion. It is used in cases of paralysis of the intestine (paralytic ileus) and as a diagnostic aid in pancreatic malfunction. | 1.97 | 1 | 0 | oligopeptide | diagnostic agent;
gastrointestinal drug |
heme
Heme: The color-furnishing portion of hemoglobin. It is found free in tissues and as the prosthetic group in many hemeproteins.. ferroheme : Any iron(II)--porphyrin coordination complex.. ferroheme b : Heme b in which the iron has oxidation state +2.. heme : A heme is any tetrapyrrolic chelate of iron. | 2 | 1 | 0 | | |