| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
carbamates
[no description available] | 2.31 | 1 | 0 | amino-acid anion | |
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). | 2.02 | 1 | 0 | alkane;
gas molecular entity;
mononuclear parent hydride;
one-carbon compound | bacterial metabolite;
fossil fuel;
greenhouse gas |
gallic acid
gallate : A trihydroxybenzoate that is the conjugate base of gallic acid. | 1.96 | 1 | 0 | trihydroxybenzoic acid | antineoplastic agent;
antioxidant;
apoptosis inducer;
astringent;
cyclooxygenase 2 inhibitor;
EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor;
geroprotector;
human xenobiotic metabolite;
plant metabolite |
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 |
anthralin
Anthralin: An anthracene derivative that disrupts MITOCHONDRIA function and structure and is used for the treatment of DERMATOSES, especially PSORIASIS. It may cause FOLLICULITIS.. anthralin : An anthracene compound derived by the substitution of -OH groups for hydrogen at C-1 and C-8, and with an oxo group at C-9. | 1.96 | 1 | 0 | anthracenes | antipsoriatic |
aristolochic acid i
aristolochic acid I: phospholipase A inhibitor. aristolochic acid A : An aristolochic acid that is phenanthrene-1-carboxylic acid that is substituted by a methylenedioxy group at the 3,4 positions, by a methoxy group at position 8, and by a nitro group at position 10. It is the most abundant of the aristolochic acids and is found in almost all Aristolochia (birthworts or pipevines) species. It has been tried in a number of treatments for inflammatory disorders, mainly in Chinese and folk medicine. However, there is concern over their use as aristolochic acid is both carcinogenic and nephrotoxic. | 2.25 | 1 | 0 | aristolochic acids;
aromatic ether;
C-nitro compound;
cyclic acetal;
monocarboxylic acid;
organic heterotetracyclic compound | carcinogenic agent;
metabolite;
mutagen;
nephrotoxin;
toxin |
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. | 1.98 | 1 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent;
mouse metabolite |
propiolactone
Propiolactone: Disinfectant used in vapor form to sterilize vaccines, grafts, etc. The vapor is very irritating and the liquid form is carcinogenic. | 7.36 | 2 | 0 | propan-3-olide | |
caffeine
[no description available] | 1.96 | 1 | 0 | purine alkaloid;
trimethylxanthine | adenosine A2A receptor antagonist;
adenosine receptor antagonist;
adjuvant;
central nervous system stimulant;
diuretic;
EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
environmental contaminant;
food additive;
fungal metabolite;
geroprotector;
human blood serum metabolite;
mouse metabolite;
mutagen;
plant metabolite;
psychotropic drug;
ryanodine receptor agonist;
xenobiotic |
chlorambucil
Chlorambucil: A nitrogen mustard alkylating agent used as antineoplastic for chronic lymphocytic leukemia, Hodgkin's disease, and others. Although it is less toxic than most other nitrogen mustards, it has been listed as a known carcinogen in the Fourth Annual Report on Carcinogens (NTP 85-002, 1985). (Merck Index, 11th ed). chlorambucil : A monocarboxylic acid that is butanoic acid substituted at position 4 by a 4-[bis(2-chloroethyl)amino]phenyl group. A chemotherapy drug that can be used in combination with the antibody obinutuzumab for the treatment of chronic lymphocytic leukemia. | 7.55 | 2 | 0 | aromatic amine;
monocarboxylic acid;
nitrogen mustard;
organochlorine compound;
tertiary amino compound | alkylating agent;
antineoplastic agent;
carcinogenic agent;
drug allergen;
immunosuppressive agent |
ether
Ether: A mobile, very volatile, highly flammable liquid used as an inhalation anesthetic and as a solvent for waxes, fats, oils, perfumes, alkaloids, and gums. It is mildly irritating to skin and mucous membranes.. ether : An organooxygen compound with formula ROR, where R is not hydrogen.. diethyl ether : An ether in which the oxygen atom is linked to two ethyl groups. | 1.96 | 1 | 0 | ether;
volatile organic compound | inhalation anaesthetic;
non-polar solvent;
refrigerant |
methyl methanesulfonate
[no description available] | 2.37 | 2 | 0 | methanesulfonate ester | alkylating agent;
apoptosis inducer;
carcinogenic agent;
genotoxin;
mutagen |
propyl gallate
Propyl Gallate: Antioxidant for foods, fats, oils, ethers, emulsions, waxes, and transformer oils. | 1.96 | 1 | 0 | trihydroxybenzoic acid | |
thiotepa
Thiotepa: A very toxic alkylating antineoplastic agent also used as an insect sterilant. It causes skin, gastrointestinal, CNS, and bone marrow damage. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), thiotepa may reasonably be anticipated to be a carcinogen (Merck Index, 11th ed). | 2.83 | 3 | 0 | aziridines | |
urethane
[no description available] | 2.11 | 1 | 0 | carbamate ester | fungal metabolite;
mutagen |
mitomycin
Mitomycin: An antineoplastic antibiotic produced by Streptomyces caespitosus. It is one of the bi- or tri-functional ALKYLATING AGENTS causing cross-linking of DNA and inhibition of DNA synthesis.. mitomycin : A family of aziridine-containing natural products isolated from Streptomyces caespitosus or Streptomyces lavendulae. | 7.41 | 2 | 0 | mitomycin | alkylating agent;
antineoplastic agent |
2-acetylaminofluorene
2-Acetylaminofluorene: A hepatic carcinogen whose mechanism of activation involves N-hydroxylation to the aryl hydroxamic acid followed by enzymatic sulfonation to sulfoxyfluorenylacetamide. It is used to study the carcinogenicity and mutagenicity of aromatic amines. | 2.4 | 2 | 0 | 2-acetamidofluorenes | antimitotic;
carcinogenic agent;
epitope;
mutagen |
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. | 1.98 | 1 | 0 | chlorocarbon;
chloromethanes | hepatotoxic agent;
refrigerant |
ethyl methanesulfonate
Ethyl Methanesulfonate: An antineoplastic agent with alkylating properties. It also acts as a mutagen by damaging DNA and is used experimentally for that effect.. ethyl methanesulfonate : A methanesulfonate ester resulting from the formal condensation of methanesulfonic acid with ethanol. | 2 | 1 | 0 | methanesulfonate ester | alkylating agent;
antineoplastic agent;
carcinogenic agent;
genotoxin;
mutagen;
teratogenic agent |
methyl iodide
methyl iodide: RN given refers to unlabeled cpd with MF of CH3-I. iodomethane : A member of the class of iodomethanes that is methane in which one of the hydrogens is replaced by iodine. | 1.96 | 1 | 0 | iodomethanes;
methyl halides | fumigant insecticide |
propane
Propane: A three carbon alkane with the formula H3CCH2CH3. | 2.66 | 3 | 0 | alkane;
gas molecular entity | food propellant |
methylene chloride
Methylene Chloride: A chlorinated hydrocarbon that has been used as an inhalation anesthetic and acts as a narcotic in high concentrations. Its primary use is as a solvent in manufacturing and food technology.. dichloromethane : A member of the class of chloromethanes that is methane in which two of the hydrogens have been replaced by chlorine. A dense, non-flammible colourless liquid at room temperature (b.p. 40degreeC, d = 1.33) which is immiscible with water, it is widely used as a solvent, a paint stripper, and for the removal of caffeine from coffee and tea. | 2.1 | 1 | 0 | chloromethanes;
volatile organic compound | carcinogenic agent;
polar aprotic solvent;
refrigerant |
propyleneimine
[no description available] | 1.96 | 1 | 0 | aziridines | |
propylene dichloride
propylene dichloride: Russian drug; structure. 1,2-dichloropropane : A chloroalkane that is propane in which a hydrogen from each of two adjacent carbons has been replaced by chlorines. | 2.1 | 1 | 0 | chloroalkane;
volatile organic compound | |
2-naphthoic acid
2-naphthoic acid: RN given refers to parent cpd. 2-naphthoic acid : A naphthoic acid that is naphthalene carrying a carboxy group at position 2. | 2.02 | 1 | 0 | naphthoic acid | mouse metabolite;
xenobiotic metabolite |
alpha-chlorohydrin
alpha-Chlorohydrin: A chlorinated PROPANEDIOL with antifertility activity in males used as a chemosterilant in rodents.. 3-chloropropane-1,2-diol : A chloropropane-1,2-diol that is propane-1,2-diol substituted by a chloro group at position 3. | 1.96 | 1 | 0 | chloropropane-1,2-diol | |
ethylene carbonate
[no description available] | 1.96 | 1 | 0 | carbonate ester | |
thiophenes
Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 6.61 | 39 | 0 | mancude organic heteromonocyclic parent;
monocyclic heteroarene;
thiophenes;
volatile organic compound | non-polar solvent |
1,4-butanediol
butane-1,4-diol : A butanediol that is butane in which one hydrogen of each of the methyl groups is substituted by a hydroxy group. A colourless, water-miscible, viscous liquid at room temperature (m.p. 16degreeC) with a high boiling point (230degreeC), it is mainly used for the production of other organic chemicals, particularly the solvent oxolane (also known as tetrahydrofuran or THF). | 1.97 | 1 | 0 | butanediol;
glycol | neurotoxin;
prodrug;
protic solvent |
bis(2-chloroethyl)ether
bis(2-chloroethyl)ether: structure | 1.96 | 1 | 0 | ether | |
tetrafluoroethylene
tetrafluoroethylene: RN given refers to parent cpd; structure | 7.1 | 1 | 0 | fluorocarbon | |
perfluorooctanoic acid
perfluorooctanoic acid: RN given refers to parent cpd. perfluorooctanoic acid : A fluoroalkanoic acid that is perfluorinated octanoic acid. | 7.1 | 1 | 0 | fluoroalkanoic acid | carcinogenic agent;
endocrine disruptor;
environmental contaminant;
surfactant;
xenobiotic |
methyl carbamate
methyl carbamate : A carbamate ester resulting from the formal condensation of the carboxy group of carbamic acid with methanol. | 7.31 | 1 | 0 | carbamate ester | |
methylnitrosourea
Methylnitrosourea: A nitrosourea compound with alkylating, carcinogenic, and mutagenic properties.. N-methyl-N-nitrosourea : A member of the class of N-nitrosoureas that is urea in which one of the nitrogens is substituted by methyl and nitroso groups. | 1.96 | 1 | 0 | N-nitrosoureas | alkylating agent;
carcinogenic agent;
mutagen;
teratogenic agent |
propylnitrosourea
[no description available] | 2.17 | 1 | 0 | | |
vinylene carbonate
[no description available] | 1.96 | 1 | 0 | | |
butanesultone
[no description available] | 1.95 | 1 | 0 | | |
aminoethyl-aminopropyl-trimethoxysilane
aminoethyl-aminopropyl-trimethoxysilane: RN given refers to parent cpd; a silylating agent | 2.1 | 1 | 0 | | |
cerium
Cerium: An element of the rare earth family of metals. It has the atomic symbol Ce, atomic number 58, and atomic weight 140.12. Cerium is a malleable metal used in industrial applications. | 2.25 | 1 | 0 | f-block element atom;
lanthanoid atom | |
deuterium oxide
Deuterium Oxide: The isotopic compound of hydrogen of mass 2 (deuterium) with oxygen. (From Grant & Hackh's Chemical Dictionary, 5th ed) It is used to study mechanisms and rates of chemical or nuclear reactions, as well as biological processes. | 2.02 | 1 | 0 | deuterated compound;
water | NMR solvent |
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. | 2.39 | 2 | 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 |
sodium bisulfide
sodium bisulfide: RN given refers to sodium sulfide (Na(SH)); see also record for sodium sulfide (Na2S) | 1.96 | 1 | 0 | | |
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). | 2.41 | 2 | 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. | 2.41 | 2 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
n,n-diethylethylenediamine
N,N-diethylethylenediamine: structure in first source | 2.17 | 1 | 0 | | |
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. | 2.17 | 1 | 0 | 1,2,3-triazole | |
caprylates
Caprylates: Derivatives of caprylic acid. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain a carboxy terminated eight carbon aliphatic structure.. octanoate : A straight-chain saturated fatty acid anion that is the conjugate base of octanoic acid (caprylic acid); believed to block adipogenesis. | 2.1 | 1 | 0 | fatty acid anion 8:0;
straight-chain saturated fatty acid anion | human metabolite;
Saccharomyces cerevisiae metabolite |
carbene
carbene: electrically neutral species H2C: and its derivatives, in which the carbon is covalently bonded to two univalent groups of any kind or a divalent group and bears two nonbonding electrons; carbene is the name of the parent hydride :CH2 ; hence, the name dichlorocarbene for :CCl2. However, names for acyclic and cyclic hydrocarbons containing one or more divalent carbon atoms are derived from the name of the corresponding all-4-hydrocarbon using the suffix -ylidene; methylene carbene also available. carbene : The electrically neutral species H2C(2.) and its derivatives, in which the carbon is covalently bonded to two univalent groups of any kind or a divalent group and bears two nonbonding electrons, which may be spin-paired (singlet state) or spin-non-paired (triplet state). | 2.02 | 1 | 0 | carbene;
methanediyl | |
aflatoxin b1
Aflatoxin B1: A potent hepatotoxic and hepatocarcinogenic mycotoxin produced by the Aspergillus flavus group of fungi. It is also mutagenic, teratogenic, and causes immunosuppression in animals. It is found as a contaminant in peanuts, cottonseed meal, corn, and other grains. The mycotoxin requires epoxidation to aflatoxin B1 2,3-oxide for activation. Microsomal monooxygenases biotransform the toxin to the less toxic metabolites aflatoxin M1 and Q1.. aflatoxin B1 : An aflatoxin having a tetrahydrocyclopenta[c]furo[3',2':4,5]furo[2,3-h]chromene skeleton with oxygen functionality at positions 1, 4 and 11. | 1.99 | 1 | 0 | aflatoxin;
aromatic ether;
aromatic ketone | carcinogenic agent;
human metabolite |
betadex
beta-Cyclodextrins: Cyclic GLUCANS consisting of seven (7) glucopyranose units linked by 1,4-glycosidic bonds. | 2.02 | 1 | 0 | cyclodextrin | |
melphalan
Melphalan: An alkylating nitrogen mustard that is used as an antineoplastic in the form of the levo isomer - MELPHALAN, the racemic mixture - MERPHALAN, and the dextro isomer - MEDPHALAN; toxic to bone marrow, but little vesicant action; potential carcinogen.. melphalan : A phenylalanine derivative comprising L-phenylalanine having [bis(2-chloroethyl)amino group at the 4-position on the phenyl ring. | 7.55 | 2 | 0 | L-phenylalanine derivative;
nitrogen mustard;
non-proteinogenic L-alpha-amino acid;
organochlorine compound | alkylating agent;
antineoplastic agent;
carcinogenic agent;
drug allergen;
immunosuppressive agent |
mercaptopurine
Mercaptopurine: An antimetabolite antineoplastic agent with immunosuppressant properties. It interferes with nucleic acid synthesis by inhibiting purine metabolism and is used, usually in combination with other drugs, in the treatment of or in remission maintenance programs for leukemia.. purine-6-thiol : A thiol that is the tautomer of mercaptopurine.. mercaptopurine : A member of the class of purines that is 6,7-dihydro-1H-purine carrying a thione group at position 6. An adenine analogue, it is used in the treatment of acute lymphocytic leukemia (ALL), chronic myeloid leukemia (CML), Crohn's disease, and ulcerative colitis. | 2 | 1 | 0 | aryl thiol;
purines;
thiocarbonyl compound | anticoronaviral agent;
antimetabolite;
antineoplastic agent |
thioguanine anhydrous
Thioguanine: An antineoplastic compound which also has antimetabolite action. The drug is used in the therapy of acute leukemia.. tioguanine : A 2-aminopurine that is the 6-thiono derivative of 2-amino-1,9-dihydro-6H-purine. Incorporates into DNA and inhibits synthesis. Used in the treatment of leukaemia. | 1.96 | 1 | 0 | 2-aminopurines | anticoronaviral agent;
antimetabolite;
antineoplastic agent |
ethylenethiourea
Ethylenethiourea: A degradation product of ethylenebis(dithiocarbamate) fungicides. It has been found to be carcinogenic and to cause THYROID hyperplasia. | 1.96 | 1 | 0 | imidazolidines | |
thiosemicarbazide
thiosemicarbazide: glutamate decarboxylase antagonist; structure given in first source. hydrazinecarbothioamide : A member of the class of thioureas that is thiourea in which a hydrogen of one of the amino groups is replaced by an amino group. | 1.96 | 1 | 0 | hydrazines;
thiocarboxamide;
thioureas | |
thiourea
Thiourea: A photographic fixative used also in the manufacture of resins. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance may reasonably be anticipated to be a carcinogen (Merck Index, 9th ed). Many of its derivatives are ANTITHYROID AGENTS and/or FREE RADICAL SCAVENGERS.. thiourea : The simplest member of the thiourea class, consisting of urea with the oxygen atom substituted by sulfur. | 2.59 | 2 | 0 | one-carbon compound;
thioureas;
ureas | antioxidant;
chromophore |
rubeanic acid
rubeanic acid: indicator for copper, cobalt, & nickel; structure | 1.96 | 1 | 0 | | |
di-allate
di-allate: RN given refers to cpd without isomeric designation; structure | 1.96 | 1 | 0 | tertiary amine | |
strontium
Strontium: An element of the alkaline earth family of metals. It has the atomic symbol Sr, atomic number 38, and atomic weight 87.62. | 2.1 | 1 | 0 | alkaline earth metal atom | |
cysteine
Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.. L-cysteinium : The L-enantiomer of cysteinium.. cysteine : A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3. | 6.95 | 1 | 0 | cysteinium | fundamental metabolite |
chlorophyll a
Chlorophyll: Porphyrin derivatives containing magnesium that act to convert light energy in photosynthetic organisms.. chlorophyll : A family of magnesium porphyrins, defined by the presence of a fifth ring beyond the four pyrrole-like rings. The rings can have various side chains which usually include a long phytol chain. | 2.36 | 2 | 0 | chlorophyll;
methyl ester | cofactor |
guanosine
ribonucleoside : Any nucleoside where the sugar component is D-ribose. | 1.96 | 1 | 0 | guanosines;
purines D-ribonucleoside | fundamental metabolite |
methylnitronitrosoguanidine
Methylnitronitrosoguanidine: A nitrosoguanidine derivative with potent mutagenic and carcinogenic properties.. N-methyl-N'-nitro-N-nitrosoguanidine : An N-nitroguanidine compound having nitroso and methyl substituents at the N'-position | 2.36 | 2 | 0 | nitroso compound | alkylating agent |