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. | 3.07 | 1 | 0 | C-nitro compound; monochlorobenzenes | allergen; epitope; sensitiser |
4-nitrobenzaldehyde 4-nitrobenzaldehyde: RN given refers to parent cpd. 4-nitrobenzaldehyde : A C-nitro compound that is benzaldehyde substituted at the para-position with a nitro group. | 3.07 | 1 | 0 | benzaldehydes; C-nitro compound | |
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. | 1.96 | 1 | 0 | sulfoxide; volatile organic compound | alkylating agent; antidote; Escherichia coli metabolite; geroprotector; MRI contrast agent; non-narcotic analgesic; polar aprotic solvent; radical scavenger |
nitrates Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 1.99 | 1 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | |
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. | 1.96 | 1 | 0 | ortho- and peri-fused polycyclic arene | aryl hydrocarbon receptor agonist; carcinogenic agent |
7-nitroindazole 7-nitroindazole: an inhibitor of nitric oxide synthase; exhibits anti-nociceptive activity without increasing blood pressure | 3.07 | 1 | 0 | | |
benzo(a)pyrene Benzo(a)pyrene: A potent mutagen and carcinogen. It is a public health concern because of its possible effects on industrial workers, as an environmental pollutant, an as a component of tobacco smoke.. benzo[a]pyrene : An ortho- and peri-fused polycyclic arene consisting of five fused benzene rings. | 3.47 | 8 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent; mouse metabolite |
metronidazole Metronidazole: A nitroimidazole used to treat AMEBIASIS; VAGINITIS; TRICHOMONAS INFECTIONS; GIARDIASIS; ANAEROBIC BACTERIA; and TREPONEMAL INFECTIONS.. metronidazole : A member of the class of imidazoles substituted at C-1, -2 and -5 with 2-hydroxyethyl, nitro and methyl groups respectively. It has activity against anaerobic bacteria and protozoa, and has a radiosensitising effect on hypoxic tumour cells. It may be given by mouth in tablets, or as the benzoate in an oral suspension. The hydrochloride salt can be used in intravenous infusions. Metronidazole is a prodrug and is selective for anaerobic bacteria due to their ability to intracellularly reduce the nitro group of metronidazole to give nitroso-containing intermediates. These can covalently bind to DNA, disrupting its helical structure, inducing DNA strand breaks and inhibiting bacterial nucleic acid synthesis, ultimately resulting in bacterial cell death. | 3.07 | 1 | 0 | C-nitro compound; imidazoles; primary alcohol | antiamoebic agent; antibacterial drug; antimicrobial agent; antiparasitic agent; antitrichomonal drug; environmental contaminant; prodrug; radiosensitizing agent; xenobiotic |
benz(a)anthracene benz(a)anthracene: 4 fused rings of which one is angular in contrast to the linear NAPHTHACENES. tetraphene : An angular ortho-fused polycyclic arene consisting of four fused benzene rings. | 1.98 | 1 | 0 | ortho-fused polycyclic arene; tetraphenes | |
niridazole Niridazole: An antischistosomal agent that has become obsolete. | 3.07 | 1 | 0 | 1,3-thiazoles; C-nitro compound | |
dinitrofluorobenzene Dinitrofluorobenzene: Irritants and reagents for labeling terminal amino acid groups.. 1-fluoro-2,4-dinitrobenzene : The organofluorine compound that is benzene with a fluoro substituent at the 1-position and two nitro substituents in the 2- and 4-positions. | 3.07 | 1 | 0 | C-nitro compound; organofluorine compound | agrochemical; allergen; chromatographic reagent; EC 2.7.3.2 (creatine kinase) inhibitor; protein-sequencing agent; spectrophotometric reagent |
1-nitronaphthalene 1-nitronaphthalene: RN given refers to cpd with locant for nitro moiety in 1 position. 1-nitronaphthalene : A mononitronaphthalene substituted by a nitro group at position 1.. mononitronaphthalene : A nitronaphthalene carrying a single nitro group at unspecified position.. nitronaphthalene : A nitroarene that is naphthalene substituted by at least one nitro group. | 3.07 | 1 | 0 | mononitronaphthalene | environmental contaminant; mouse metabolite |
fluorene [no description available] | 1.96 | 1 | 0 | ortho-fused polycyclic arene; ortho-fused tricyclic hydrocarbon | |
1-chloro-2-nitrobenzene [no description available] | 3.07 | 1 | 0 | C-nitro compound; monochlorobenzenes | |
2,5-dichloronitrobenzene [no description available] | 3.07 | 1 | 0 | | |
2-nitroanisole 2-nitroanisole : A member of the class of 2-nitroanisoles that is anisole in which one of the hydrogens ortho to the methoxy group is replaced by a nitro group. | 3.07 | 1 | 0 | 2-nitroanisoles | carcinogenic agent |
4-nitrobiphenyl 4-nitrobiphenyl: structure given in first source | 3.07 | 1 | 0 | biphenyls | |
2,4-dinitroaniline 2,4-dinitroaniline : A nitroaniline consisting of an aniline core having two nitro substituents located at the 2- and 4-positions. | 3.07 | 1 | 0 | nitroaniline | |
nitrobenzene nitrobenzene : A nitroarene consisting of benzene carrying a single nitro substituent. An industrial chemical used widely in the production of aniline. | 3.07 | 1 | 0 | nitroarene; nitrobenzenes | |
1,2-dichloro-4-nitrobenzene [no description available] | 3.07 | 1 | 0 | | |
3-dinitrobenzene dinitrobenzene : Any member of the class of nitrobenzenes that consists of a benzene ring substituted by two nitro groups. A closed class.. 1,3-dinitrobenzene : A dinitrobenzene that is benzene disubstituted at positions 1 and 3 with nitro groups. | 3.07 | 1 | 0 | dinitrobenzene | neurotoxin |
4-chloronitrobenzene [no description available] | 3.07 | 1 | 0 | C-nitro compound | |
4-nitroanisole 4-nitroanisole: dye intermediate; organic synthesis; structure. 4-nitroanisole : A member of the class of 4-nitroanisoles that is anisole in which one the hydrogen meta to the methoxy group is replaced by a nitro group. | 3.07 | 1 | 0 | 4-nitroanisoles | |
4-nitroacetophenone 4-nitroacetophenone : A member of the class of acetophenones that is acetophenone substituted at the para-position by a nitro group. | 3.07 | 1 | 0 | acetophenones; C-nitro compound | |
1,4-dinitrobenzene 1,4-dinitrobenzene : A dinitrobenzene carrying nitro groups at positions 1 and 4. | 3.07 | 1 | 0 | dinitrobenzene | |
2,4-dinitroanisole 2,4-dinitroanisole : A member of the class of dinitroanisoles that is 2-nitroanisole in which the hydrogen para to the methoxy group is replaced by a second nitro group. | 3.07 | 1 | 0 | dinitroanisoles | explosive |
2,4,7-trinitrofluorenone 2,4,7-trinitrofluorenone: structure | 3.07 | 1 | 0 | | |
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. | 2.36 | 2 | 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. | 2.38 | 2 | 0 | ortho-fused polycyclic arene | plant metabolite |
1,2-dinitrobenzene [no description available] | 3.07 | 1 | 0 | dinitrobenzene | |
2-nitrobenzaldehyde 2-nitrobenzaldehyde: structure given in first source. 2-nitrobenzaldehyde : Benzaldehyde substituted at the ortho-position with a nitro group. | 3.07 | 1 | 0 | benzaldehydes; C-nitro compound | |
2-nitronaphthalene 2-nitronaphthalene : A mononitronaphthalene carrying a nitro group at position 2. | 3.07 | 1 | 0 | mononitronaphthalene | |
9-nitroanthracene 9-nitroanthracene: RN given refers to cpd with locant for nitro moiety in 5 position | 3.47 | 2 | 0 | anthracenes | |
5-nitroacenaphthene [no description available] | 3.07 | 1 | 0 | nitronaphthalene | |
erythropoietin 1,5-dinitronaphthalene: structure in first source. 1,5-dinitronaphthalene : A dinitronaphthalene carrying nitro groups at positions 1 and 5. | 3.07 | 1 | 0 | dinitronaphthalene | genotoxin |
1,3-dinitronaphthalene 1,3-dinitronaphthalene: structure given in first source | 3.07 | 1 | 0 | dinitronaphthalene | |
5-nitroquinoline [no description available] | 3.07 | 1 | 0 | | |
2-nitrofluorene 2-nitrofluorene: RN given refers to cpd with locant with nitro moiety in 2 position. 2-nitrofluorene : A nitroarene that is fluorene substituted by a nitro group at position 2. | 3.47 | 2 | 0 | nitroarene | carcinogenic agent; mutagen |
2,4-dichloro-1-nitrobenzene [no description available] | 3.07 | 1 | 0 | | |
5-nitro-2-furaldehyde [no description available] | 3.07 | 1 | 0 | C-nitro compound; furans | |
2-nitropyrene [no description available] | 3.48 | 2 | 0 | pyrenes | |
3-nitrofluoranthene 3-nitrofluoranthene: environmental carcinogen from diesel exhaust | 3.48 | 2 | 0 | nitronaphthalene | |
2-amino-7-nitrofluorene 2-amino-7-nitrofluorene: structure in first source | 3.07 | 1 | 0 | | |
2-bromo-4,6-dinitroaniline 2-bromo-4,6-dinitroaniline: used in synthesis of commercially significant monoazo dyes | 3.07 | 1 | 0 | | |
trichloroepoxypropane Trichloroepoxypropane: A potent epoxide hydrase and aryl hydrocarbon hydroxylase inhibitor. It enhances the tumor-initiating ability of certain carcinogens. | 1.96 | 1 | 0 | | |
5-nitroindazole [no description available] | 3.07 | 1 | 0 | | |
2,7-dinitrofluorene [no description available] | 3.07 | 1 | 0 | | |
1-nitropyrene [no description available] | 9.67 | 9 | 0 | nitroarene | carcinogenic agent |
nsc 520594 [no description available] | 3.07 | 1 | 0 | | |
2-hydroxy-7-nitrofluorene 2-hydroxy-7-nitrofluorene: structure in first source | 3.07 | 1 | 0 | | |
6-nitrochrysene 6-nitrochrysene: RN given refers to cpd with locant for nitro group in position 6 | 4.32 | 6 | 0 | carbopolycyclic compound | |
6-nitroindazole [no description available] | 3.07 | 1 | 0 | | |
2-nitrofluoranthene [no description available] | 3.07 | 1 | 0 | | |
tetradecanoylphorbol acetate Tetradecanoylphorbol Acetate: A phorbol ester found in CROTON OIL with very effective tumor promoting activity. It stimulates the synthesis of both DNA and RNA.. phorbol ester : Esters of phorbol, originally found in croton oil (from Croton tiglium, of the family Euphorbiaceae). A number of phorbol esters possess activity as tumour promoters and activate the mechanisms associated with cell growth. Some of these are used in experiments as activators of protein kinase C.. phorbol 13-acetate 12-myristate : A phorbol ester that is phorbol in which the hydroxy groups at the cyclopropane ring juction (position 13) and the adjacent carbon (position 12) have been converted into the corresponding acetate and myristate esters. It is a major active constituent of the seed oil of Croton tiglium. It has been used as a tumour promoting agent for skin carcinogenesis in rodents and is associated with increased cell proliferation of malignant cells. However its function is controversial since a decrease in cell proliferation has also been observed in several cancer cell types. | 1.97 | 1 | 0 | acetate ester; diester; phorbol ester; tertiary alpha-hydroxy ketone; tetradecanoate ester | antineoplastic agent; apoptosis inducer; carcinogenic agent; mitogen; plant metabolite; protein kinase C agonist; reactive oxygen species generator |
7-nitrobenzanthracene [no description available] | 3.76 | 3 | 0 | phenanthrenes | |
3,9-dinitrofluoranthene [no description available] | 3.07 | 1 | 0 | nitronaphthalene | |
pyrene pyrene: structure in Merck Index, 9th ed, #7746. pyrene : An ortho- and peri-fused polycyclic arene consisting of four fused benzene rings, resulting in a flat aromatic system. | 1.98 | 1 | 0 | ortho- and peri-fused polycyclic arene | fluorescent probe; persistent organic pollutant |
2,7-dinitrofluorenone 2,7-dinitrofluorenone: structure given in first source | 3.07 | 1 | 0 | | |
1,6-dinitropyrene [no description available] | 3.48 | 2 | 0 | pyrenes | |
1,8-dinitropyrene [no description available] | 3.07 | 1 | 0 | pyrenes | |
chlorodiphenyl (54% chlorine) Chlorodiphenyl (54% Chlorine): A mixture of polychlorinated biphenyls that induces hepatic microsomal UDP-glucuronyl transferase activity towards thyroxine.. Aroclor 1254 : A mixture of polychlorobiphenyls of unspecified composition, containing 54% chlorine (X = Cl or H). | 1.96 | 1 | 0 | | |
7,8-dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide 7,8-Dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide: 7,8,8a,9a-Tetrahydrobenzo(10,11)chryseno (3,4-b)oxirene-7,8-diol. A benzopyrene derivative with carcinogenic and mutagenic activity. | 1.97 | 1 | 0 | epoxide | intercalator |
1-nitrobenzo(a)pyrene [no description available] | 4.17 | 5 | 0 | | |
3-nitrobenzo(a)pyrene [no description available] | 4.17 | 5 | 0 | | |
1,3-dinitropyrene [no description available] | 3.07 | 1 | 0 | pyrenes | |
3,7-dinitrofluoranthene [no description available] | 3.07 | 1 | 0 | nitronaphthalene | |
4-nitropyrene [no description available] | 3.48 | 2 | 0 | pyrenes | |
3-nitroperylene 3-nitroperylene: RN given refers to cpd with nitro group in position 3 | 3.76 | 3 | 0 | phenanthrenes | |
1-nitro-2,4-difluorobenzene 1-nitro-2,4-difluorobenzene: standard antigen; structure | 3.07 | 1 | 0 | | |
5-nitroisoquinoline [no description available] | 3.07 | 1 | 0 | | |
9-nitrophenanthrene 9-nitrophenanthrene: RN given refers to parent cpd; | 3.07 | 1 | 0 | | |
5-nitro-1,10-phenanthroline 5-nitro-1,10-phenanthroline: structure in first source | 3.07 | 1 | 0 | | |
1-fluoro-2-nitrobenzene 1-fluoro-2-nitrobenzene: structure given in first source | 3.07 | 1 | 0 | | |
2-nitrobenzimidazole 2-nitrobenzimidazole: RN given refers to parent cpd | 3.07 | 1 | 0 | | |
nadp [no description available] | 1.96 | 1 | 0 | | |
2,4-dinitrophenylhydrazine 2,4-dinitrophenylhydrazine: structure. 2,4-dinitrophenylhydrazine : A C-nitro compound that is phenylhydrazine substituted at the 2- and 4-positions by nitro groups. | 3.07 | 1 | 0 | C-nitro compound; phenylhydrazines | reagent |
2-nitro-4-phenylenediamine 2-nitro-4-phenylenediamine: 2-nitro-1,4-benzenediamine; RN given refers to parent cpd. 2-nitro-p-phenylenediamine : A primary amino compound that is p-phenylenediamine in which one of the hydrogens attached to the benzene ring is replaced by a nitro group. It is a cosmetic hair dye intermediate that is used in permanent hair colouring products (diluted 1:1 with an oxidising agent prior to application). | 3.07 | 1 | 0 | C-nitro compound; primary amino compound | |
5-Nitroisatin [no description available] | 3.07 | 1 | 0 | indoles | anticoronaviral agent |
2-amino-5-nitrophenol 2-amino-5-nitrophenol: RN & structure given in first source | 3.07 | 1 | 0 | 3-nitrophenols | |
1,2-diamino-4-nitrobenzene 1,2-diamino-4-nitrobenzene: reagent for determination of selenium in milk with gas chromatograph. 4-nitro-1,2-phenylenediamine : The primary amino compound that is 1,2-phenylenediamine (o-phenylenediamine) substituted at the 4- (para-) position by a nitro group. | 3.07 | 1 | 0 | C-nitro compound; primary amino compound | |
furazolidone [no description available] | 3.07 | 1 | 0 | | |
nitrofurazone Nitrofurazone: A topical anti-infective agent effective against gram-negative and gram-positive bacteria. It is used for superficial WOUNDS AND INJURIES and skin infections. Nitrofurazone has also been administered orally in the treatment of TRYPANOSOMIASIS.. nitrofurazone : A semicarbazone resulting from the formal condensation of semicarbazide with 5-nitrofuraldehyde. A broad spectrum antibacterial drug, although with little activity against Pseudomonas species, it is used as a local application for burns, ulcers, wounds and skin infections. | 3.07 | 1 | 0 | | |
nitrofurantoin Nitrofurantoin: A urinary anti-infective agent effective against most gram-positive and gram-negative organisms. Although sulfonamides and antibiotics are usually the agents of choice for urinary tract infections, nitrofurantoin is widely used for prophylaxis and long-term suppression.. nitrofurantoin : An imidazolidine-2,4-dione that is hydantoin substituted at position 1 by a [(5-nitro-2-furyl)methylene]amino group. An antibiotic that damages bacterial DNA. | 3.07 | 1 | 0 | imidazolidine-2,4-dione; nitrofuran antibiotic; organonitrogen heterocyclic antibiotic; organooxygen heterocyclic antibiotic | antibacterial drug; antiinfective agent; hepatotoxic agent |
flavin mononucleotide Flavin Mononucleotide: A coenzyme for a number of oxidative enzymes including NADH DEHYDROGENASE. It is the principal form in which RIBOFLAVIN is found in cells and tissues. | 1.96 | 1 | 0 | | |
allopurinol Allopurinol: A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms.. allopurinol : A bicyclic structure comprising a pyrazole ring fused to a hydroxy-substituted pyrimidine ring. | 1.96 | 1 | 0 | nucleobase analogue; organic heterobicyclic compound | antimetabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor; gout suppressant; radical scavenger |
phenanthrenes Phenanthrenes: POLYCYCLIC AROMATIC HYDROCARBONS composed of three fused BENZENE rings.. phenanthrenes : Any benzenoid aromatic compound that consists of a phenanthrene skeleton and its substituted derivatives thereof. | 2.88 | 4 | 0 | | |