Substance | Relationship Strength | Studies | Trials | Classes | Roles |
dinitrochlorobenzene Dinitrochlorobenzene: A skin irritant that may cause dermatitis of both primary and allergic types. Contact sensitization with DNCB has been used as a measure of cellular immunity. DNCB is also used as a reagent for the detection and determination of pyridine compounds.. 1-chloro-2,4-dinitrobenzene : A C-nitro compound that is chlorobenzene carrying a nitro substituent at each of the 2- and 4-positions. | 2.15 | 1 | 0 | C-nitro compound; monochlorobenzenes | allergen; epitope; sensitiser |
carbamates [no description available] | 1.99 | 1 | 0 | amino-acid anion | |
sulfur dioxide Sulfur Dioxide: A highly toxic, colorless, nonflammable gas. It is used as a pharmaceutical aid and antioxidant. It is also an environmental air pollutant. | 1.97 | 1 | 0 | sulfur oxide | Escherichia coli metabolite; food bleaching agent; refrigerant |
3-methylcholanthrene Methylcholanthrene: A carcinogen that is often used in experimental cancer studies.. 3-methylcholanthrene : A pentacyclic ortho- and peri-fused polycyclic arene consisting of a dihydrocyclopenta[ij]tetraphene ring system with a methyl substituent at the 3-position. | 1.97 | 1 | 0 | ortho- and peri-fused polycyclic arene | aryl hydrocarbon receptor agonist; carcinogenic agent |
methyl salicylate methyl salicylate: used in over-the-counter liniments, ointments, lotions for relief of musculoskeletal aches and pains; has hemolytic effect on human & sheep erythrocytes; RN given refers to parent cpd; structure in Merck Index, 9th ed, #5990. methyl salicylate : A benzoate ester that is the methyl ester of salicylic acid. | 2.15 | 1 | 0 | benzoate ester; methyl ester; salicylates | flavouring agent; insect attractant; metabolite |
urethane [no description available] | 2.04 | 1 | 0 | carbamate ester | fungal metabolite; mutagen |
prednisone Prednisone: A synthetic anti-inflammatory glucocorticoid derived from CORTISONE. It is biologically inert and converted to PREDNISOLONE in the liver.. prednisone : A synthetic glucocorticoid drug that is particularly effective as an immunosuppressant, and affects virtually all of the immune system. Prednisone is a prodrug that is converted by the liver into prednisolone (a beta-hydroxy group instead of the oxo group at position 11), which is the active drug and also a steroid. | 3.06 | 1 | 0 | 11-oxo steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(1),Delta(4)-steroid; C21-steroid; glucocorticoid; primary alpha-hydroxy ketone; tertiary alpha-hydroxy ketone | adrenergic agent; anti-inflammatory drug; antineoplastic agent; immunosuppressive agent; prodrug |
methacholine chloride Methacholine Chloride: A quaternary ammonium parasympathomimetic agent with the muscarinic actions of ACETYLCHOLINE. It is hydrolyzed by ACETYLCHOLINESTERASE at a considerably slower rate than ACETYLCHOLINE and is more resistant to hydrolysis by nonspecific CHOLINESTERASES so that its actions are more prolonged. It is used as a parasympathomimetic bronchoconstrictor agent and as a diagnostic aid for bronchial asthma. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1116) | 2.01 | 1 | 0 | quaternary ammonium salt | |
valine Valine: A branched-chain essential amino acid that has stimulant activity. It promotes muscle growth and tissue repair. It is a precursor in the penicillin biosynthetic pathway.. valine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isopropyl group.. L-valine : The L-enantiomer of valine. | 2.05 | 1 | 0 | L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid; pyruvate family amino acid; valine | algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
isoleucine Isoleucine: An essential branched-chain aliphatic amino acid found in many proteins. It is an isomer of LEUCINE. It is important in hemoglobin synthesis and regulation of blood sugar and energy levels.. isoleucine : A 2-amino-3-methylpentanoic acid having either (2R,3R)- or (2S,3S)-configuration.. L-isoleucine : The L-enantiomer of isoleucine. | 2.05 | 1 | 0 | aspartate family amino acid; isoleucine; L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; plant metabolite; Saccharomyces cerevisiae metabolite |
trifluoroacetic acid Trifluoroacetic Acid: A very strong halogenated derivative of acetic acid. It is used in acid catalyzed reactions, especially those where an ester is cleaved in peptide synthesis.. trifluoroacetic acid : A monocarboxylic acid that is the trifluoro derivative of acetic acid. | 1.98 | 1 | 0 | fluoroalkanoic acid | human xenobiotic metabolite; NMR chemical shift reference compound; reagent |
isoprene isoprene: used in manufacture of ''synthetic'' rubber, butyl rubber; copolymer in production of elastomers; structure. isoprene : A hemiterpene with the formula CH2=C(CH3)CH=CH2; the monomer of natural rubber and a common structure motif to the isoprenoids, a large class of other naturally occurring compounds. | 1.96 | 1 | 0 | alkadiene; hemiterpene; volatile organic compound | plant metabolite |
2,4-diaminotoluene 2,4-diaminotoluene: RN given refers to unlabeled parent cpd; structure. 2,4-diaminotoluene : An aminotoluene that is para-toluidine with an additional amino group at position 2. | 3.25 | 6 | 0 | aminotoluene | metabolite |
methylenebis(chloroaniline) Methylenebis(chloroaniline): Aromatic diamine used in the plastics industry as curing agent for epoxy resins and urethane rubbers. It causes bladder, liver, lung, and other neoplasms.. 4,4'-methylene-bis-(2-chloroaniline) : A chloroaniline that consists of two 2-chloroaniline units joined by a methylene bridge. | 1.95 | 1 | 0 | chloroaniline | metabolite |
4,4'-diphenylmethane diisocyanate 4,4'-diphenylmethane diisocyanate: used as a hardening agent incorporated in polyurethanes. diphenylmethane-4,4'-diisocyanate : A diisocyanate consisting of diphenylmethane with two isocyanate groups at the 4- and 4'-positions. | 2.66 | 3 | 0 | diisocyanate | allergen; hapten |
4,4'-diaminodiphenylmethane 4,4'-diaminodiphenylmethane: RN given refers to parent cpd; structure. 4,4'-diaminodiphenylmethane : An aromatic amine that is diphenylmethane substituted at the 4-position of each benzene ring by an amino group. | 1.97 | 1 | 0 | aromatic amine | allergen; carcinogenic agent |
ziram Ziram: An industrial fungicide with low mammalian toxicity, although it does possess an irritant capacity for skin and mucous membranes.. ziram : A dithiocarbamate salt that is the zinc salt of dimethyldithiocarbamic acid. It is a broad-spectrum fungicide and bird and animal repellent that is also used to accelerate the vulcanisation of rubber. | 1.97 | 1 | 0 | dithiocarbamate salt; zinc molecular entity | antifungal agrochemical; apoptosis inducer |
perfluorobutyric acid perfluorobutyric acid: ion pairing reagent; RN given refers to parent cpd. perfluorobutyric acid : A monocarboxylic acid that is perfluorinated butyric acid. | 1.98 | 1 | 0 | fluoroalkanoic acid | chromatographic reagent; environmental contaminant; xenobiotic |
trimellitic anhydride trimellitic anhydride: structure. trimellitic anhydride : A 2-benzofuran compound having oxo groups at the 1- and 3-positions and a carboxy substituent at the 5-position; the cyclic anhydride formed from the carboxy groups at the 1- and 2-positions of trimellitic acid. | 1.97 | 1 | 0 | 2-benzofurans; cyclic dicarboxylic anhydride; dioxo monocarboxylic acid | allergen; epitope; hapten |
toluene 2,4-diisocyanate Toluene 2,4-Diisocyanate: Skin irritant and allergen used in the manufacture of polyurethane foams and other elastomers.. toluene 2,4-diisocyanate : A toluene meta-diisocyanate in which the isocyanato groups are at positions 2 and 4 relative to the methyl group on the benzene ring. | 9.17 | 39 | 1 | toluene meta-diisocyanate | allergen; hapten |
1,6-hexamethylene diisocyanate hexamethylene diisocyanate : A diisocyanate compound with the two isocyanates linked by a hexane-1,6-diyl group. | 2.68 | 3 | 0 | diisocyanate | allergen; hapten |
2,6-diaminotoluene 2,6-diaminotoluene: RN given refers to parent cpd. 2,6-diaminotoluene : A diamine that is toluene in which both of the hydrogens ortho- to the methyl group are replaced by amino groups. | 2.91 | 4 | 0 | diamine; primary amino compound | mutagen |
ozone Ozone: The unstable triatomic form of oxygen, O3. It is a powerful oxidant that is produced for various chemical and industrial uses. Its production is also catalyzed in the ATMOSPHERE by ULTRAVIOLET RAY irradiation of oxygen or other ozone precursors such as VOLATILE ORGANIC COMPOUNDS and NITROGEN OXIDES. About 90% of the ozone in the atmosphere exists in the stratosphere (STRATOSPHERIC OZONE).. ozone : An elemental molecule with formula O3. An explosive, pale blue gas (b.p. -112degreeC) that has a characteristic, pungent odour, it is continuously produced in the upper atmosphere by the action of solar ultraviolet radiation on atmospheric oxygen. It is an antimicrobial agent used in the production of bottled water, as well as in the treatment of meat, poultry and other foodstuffs. | 3.06 | 1 | 0 | elemental molecule; gas molecular entity; reactive oxygen species; triatomic oxygen | antiseptic drug; disinfectant; electrophilic reagent; greenhouse gas; mutagen; oxidising agent; tracer |
perfluoropropionic acid perfluoropropionic acid: ion pairing reagent; RN given refers to parent cpd | 1.98 | 1 | 0 | | |
procion yellow [no description available] | 1.97 | 1 | 0 | | |
cyanates Cyanates: Organic salts of cyanic acid containing the -OCN radical.. cyanates : Salts and esters of cyanic acid, HOC#N; compounds carrying the cyanate functional group -O-C#N.. isocyanates : Organonitrogen compounds that are derivatives of isocyanic acid; compounds containing the isocyanate functional group -N=C=O (as opposed to the cyanate group, -O-C#N). | 7.26 | 17 | 1 | | |
phosphites Phosphites: Inorganic salts or organic esters of phosphorous acid that contain the (3-)PO3 radical. (From Grant & Hackh's Chemical Dictionary, 5th ed). phosphite(3-) : A trivalent inorganic anion obtained by removal of all three protons from phosphorous acid. | 1.97 | 1 | 0 | phosphite ion; trivalent inorganic anion | |
organophosphonates hydrogenphosphite : A divalent inorganic anion resulting from the removal of a proton from two of the hydroxy groups of phosphorous acid. | 1.97 | 1 | 0 | divalent inorganic anion; phosphite ion | |
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. | 3.06 | 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 |
bromochloroacetic acid Keratins: A class of fibrous proteins or scleroproteins that represents the principal constituent of EPIDERMIS; HAIR; NAILS; horny tissues, and the organic matrix of tooth ENAMEL. Two major conformational groups have been characterized, alpha-keratin, whose peptide backbone forms a coiled-coil alpha helical structure consisting of TYPE I KERATIN and a TYPE II KERATIN, and beta-keratin, whose backbone forms a zigzag or pleated sheet structure. alpha-Keratins have been classified into at least 20 subtypes. In addition multiple isoforms of subtypes have been found which may be due to GENE DUPLICATION.. bromochloroacetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is replaced by bromine while a second is replaced by chlorine. A low-melting (27.5-31.5degreeC), hygroscopic crystalline solid, it can be formed during the disinfection (by chlorination) of water that contains bromide ions and organic matter, so can occur in drinking water as a byproduct of the disinfection process. | 1.97 | 1 | 0 | 2-bromocarboxylic acid; monocarboxylic acid; organochlorine compound | |
capsaicin ALGRX-4975: an injectable capsaicin (TRPV1 receptor agonist) formulation for longlasting pain relief. capsaicinoid : A family of aromatic fatty amides produced as secondary metabolites by chilli peppers. | 1.97 | 1 | 0 | capsaicinoid | non-narcotic analgesic; TRPV1 agonist; voltage-gated sodium channel blocker |
oxazolone Oxazolone: Immunologic adjuvant and sensitizing agent. | 2.15 | 1 | 0 | | |
sodium dodecyl sulfate Sodium Dodecyl Sulfate: An anionic surfactant, usually a mixture of sodium alkyl sulfates, mainly the lauryl; lowers surface tension of aqueous solutions; used as fat emulsifier, wetting agent, detergent in cosmetics, pharmaceuticals and toothpastes; also as research tool in protein biochemistry.. sodium dodecyl sulfate : An organic sodium salt that is the sodium salt of dodecyl hydrogen sulfate. | 2.15 | 1 | 0 | organic sodium salt | detergent; protein denaturant |
bromebric acid bromebric acid: major descriptor (74-86); on line search ACRYLATES (74-86); INDEX MEDICUS search BROMEBRIC ACID (74-86); RN given refers to parent cpd | 1.97 | 1 | 0 | carbonyl compound | |
dimethyl hydrogen phosphite dimethyl hydrogen phosphite: intermediate in production of insecticides or herbicides | 1.97 | 1 | 0 | | |
salicylates Salicylates: The salts or esters of salicylic acids, or salicylate esters of an organic acid. Some of these have analgesic, antipyretic, and anti-inflammatory activities by inhibiting prostaglandin synthesis.. hydroxybenzoate : Any benzoate derivative carrying a single carboxylate group and at least one hydroxy substituent.. salicylates : Any salt or ester arising from reaction of the carboxy group of salicylic acid, or any ester resulting from the condensation of the phenolic hydroxy group of salicylic acid with an organic acid.. salicylate : A monohydroxybenzoate that is the conjugate base of salicylic acid. | 2.15 | 1 | 0 | monohydroxybenzoate | plant metabolite |