acetone
methyl ketone : A ketone of formula RC(=O)CH3 (R =/= H). | 2.13 | 1 | 0 | ketone body;
methyl ketone;
propanones;
volatile organic compound | EC 3.5.1.4 (amidase) inhibitor;
human metabolite;
polar aprotic solvent |
hexachlorocyclohexane
Lindane: An organochlorine insecticide made up of greater than 99% gamma-Hexachlorocyclohexane. It has been used as a pediculicide and scabicide, and shown to cause cancer.. beta-hexachlorocyclohexane : The beta-isomer of hexachlorocyclohexane. | 3.6 | 8 | 0 | chlorocyclohexane | |
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. | 2.02 | 1 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent;
mouse metabolite |
dichlorodiphenyl dichloroethylene
Dichlorodiphenyl Dichloroethylene: An organochlorine pesticide, it is the ethylene metabolite of DDT. | 3.51 | 7 | 0 | chlorophenylethylene;
monochlorobenzenes | human xenobiotic metabolite;
persistent organic pollutant |
ddt
1,1-bis(p-chlorophenyl)-2,2,2-trichloroethane: structure in first source | 3.5 | 7 | 0 | benzenoid aromatic compound;
chlorophenylethane;
monochlorobenzenes;
organochlorine insecticide | bridged diphenyl acaricide;
carcinogenic agent;
endocrine disruptor;
persistent organic pollutant |
endosulfan
Endosulfan: A polychlorinated compound used for controlling a variety of insects. It is practically water-insoluble, but readily adheres to clay particles and persists in soil and water for several years. Its mode of action involves repetitive nerve-discharges positively correlated to increase in temperature. This compound is extremely toxic to most fish. (From Comp Biochem Physiol (C) 1993 Jul;105(3):347-61). endosulfan : A cyclic sulfite ester that is 1,5,5a,6,9,9a-hexahydro-6,9-methano-2,4,3-benzodioxathiepine 3-oxide substituted by chloro groups at positions 6, 7, 8, 9, 10 and 10. | 2.54 | 2 | 0 | cyclic sulfite ester;
cyclodiene organochlorine insecticide | acaricide;
agrochemical;
GABA-gated chloride channel antagonist;
persistent organic pollutant |
heptachlor
Heptachlor: A man-made compound previously used to control termites and other insects. Even though production of heptachlor was phased out of use in the United States during the late 1980's it remains in soil and hazardous waste sites. It is clearly toxic to animals and humans but, the International Agency for Research on Cancer (IARC) has determined that heptachlor is not classifiable as to its carcinogenicity to humans. (From ATSDR Public Heath Statement, April 1989). heptachlor : A cyclodiene organochlorine insecticide that is 3a,4,7,7a-tetrahydro-1H-4,7-methanoindene substituted by chlorine atoms at positions 1, 4, 5, 6, 7, 8 and 8. Formerly used to kill termites, ants and other insects in agricultural and domestic situations. | 2.52 | 2 | 0 | cyclodiene organochlorine insecticide | agrochemical;
antibacterial agent;
antifungal agent;
GABA-gated chloride channel antagonist;
persistent organic pollutant |
mitotane
Mitotane: A derivative of the insecticide DICHLORODIPHENYLDICHLOROETHANE that specifically inhibits cells of the adrenal cortex and their production of hormones. It is used to treat adrenocortical tumors and causes CNS damage, but no bone marrow depression. | 2.1 | 1 | 0 | diarylmethane | |
thyroxine
Thyroxine: The major hormone derived from the thyroid gland. Thyroxine is synthesized via the iodination of tyrosines (MONOIODOTYROSINE) and the coupling of iodotyrosines (DIIODOTYROSINE) in the THYROGLOBULIN. Thyroxine is released from thyroglobulin by proteolysis and secreted into the blood. Thyroxine is peripherally deiodinated to form TRIIODOTHYRONINE which exerts a broad spectrum of stimulatory effects on cell metabolism.. thyroxine : An iodothyronine compound having iodo substituents at the 3-, 3'-, 5- and 5'-positions. | 2.17 | 1 | 0 | 2-halophenol;
iodophenol;
L-phenylalanine derivative;
non-proteinogenic L-alpha-amino acid;
thyroxine zwitterion;
thyroxine | antithyroid drug;
human metabolite;
mouse metabolite;
thyroid hormone |
triiodothyronine
Triiodothyronine: A T3 thyroid hormone normally synthesized and secreted by the thyroid gland in much smaller quantities than thyroxine (T4). Most T3 is derived from peripheral monodeiodination of T4 at the 5' position of the outer ring of the iodothyronine nucleus. The hormone finally delivered and used by the tissues is mainly T3.. 3,3',5-triiodo-L-thyronine : An iodothyronine compound having iodo substituents at the 3-, 3'- and 5-positions. Although some is produced in the thyroid, most of the 3,3',5-triiodo-L-thyronine in the body is generated by mono-deiodination of L-thyroxine in the peripheral tissues. Its metabolic activity is about 3 to 5 times that of L-thyroxine. The sodium salt is used in the treatment of hypothyroidism. | 2.17 | 1 | 0 | 2-halophenol;
amino acid zwitterion;
iodophenol;
iodothyronine | human metabolite;
mouse metabolite;
thyroid hormone |
diethylnitrosamine
Diethylnitrosamine: A nitrosamine derivative with alkylating, carcinogenic, and mutagenic properties.. N-nitrosodiethylamine : A nitrosamine that is N-ethylethanamine substituted by a nitroso group at the N-atom. | 2.03 | 1 | 0 | nitrosamine | carcinogenic agent;
hepatotoxic agent;
mutagen |
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. | 2.15 | 1 | 0 | ortho-fused polycyclic arene;
tetraphenes | |
phencyclidine
Phencyclidine: A hallucinogen formerly used as a veterinary anesthetic, and briefly as a general anesthetic for humans. Phencyclidine is similar to KETAMINE in structure and in many of its effects. Like ketamine, it can produce a dissociative state. It exerts its pharmacological action through inhibition of NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE). As a drug of abuse, it is known as PCP and Angel Dust.. phencyclidine : A member of the class of piperidines that is piperidine in which the nitrogen is substituted with a 1-phenylcyclohexyl group. Formerly used as an anaesthetic agent, it exhibits both hallucinogenic and neurotoxic effects. | 2.06 | 1 | 0 | benzenes;
piperidines | anaesthetic;
neurotoxin;
NMDA receptor antagonist;
psychotropic drug |
fluorene
[no description available] | 2.15 | 1 | 0 | ortho-fused polycyclic arene;
ortho-fused tricyclic hydrocarbon | |
hexachlorobenzene
Hexachlorobenzene: An agricultural fungicide and seed treatment agent.. hexachlorobenzene : A member of the class of chlorobenzenes that is benzene in which all of the hydrogens are replaced by chlorines. An agricultural fungicide introduced in the mid-1940s and formerly used as a seed treatment, its use has been banned since 1984 under the Stockholm Convention on Persistent Organic Pollutants. | 3.58 | 8 | 0 | aromatic fungicide;
chlorobenzenes | antifungal agrochemical;
carcinogenic agent;
persistent organic pollutant |
fluoranthene
fluoranthene: structure. fluoranthene : An ortho- and peri-fused polycyclic arene consisting of a naphthalene and benzene unit connected by a five-membered ring. | 2.02 | 1 | 0 | ortho- and peri-fused polycyclic arene | |
o,p'-ddt
o,p'-DDT: RN given refers to cpd without isomeric designation. | 2.1 | 1 | 0 | diarylmethane | |
endosulfan sulfate
[no description available] | 2.15 | 1 | 0 | | |
3,3'-dichlorobiphenyl
[no description available] | 2.49 | 2 | 0 | | |
4,4'-dichlorobiphenyl
4,4'-dichlorobiphenyl : A dichlorobiphenyl carrying chloro groups at positions 4 and 4' respectively. | 2.1 | 1 | 0 | dichlorobiphenyl;
monochlorobenzenes | |
4-chlorobiphenyl
4-chlorobiphenyl : A monochlorobiphenyl carrying a chloro substituent at position 4. | 2.1 | 1 | 0 | monochlorobiphenyl | |
2,4,2',4'-tetrachlorobiphenyl
2,4,2',4'-tetrachlorobiphenyl: structure. 2,2',4,4'-tetrachlorobiphenyl : A tetrachlorobiphenyl that is biphenyl in which each of the phenyl groups is substituted at positions 2 and 4 by chlorines. | 2.1 | 1 | 0 | dichlorobenzene;
tetrachlorobiphenyl | |
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. | 2.46 | 2 | 0 | metal allergen;
nickel group element atom;
platinum group metal atom | |
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. | 2.13 | 1 | 0 | titanium group element atom | |
cadmium
Cadmium: An element with atomic symbol Cd, atomic number 48, and atomic weight 112.41. It is a metal and ingestion will lead to CADMIUM POISONING.. elemental cadmium : An element in the zinc group of the periodic table with atomic number 48, atomic mass 112, M.P. 321degreeC, and B.P. 765degreeC). An odourless, tasteless, and highly poisonous soft, ductile, lustrous metal with electropositive properties. It has eight stable isotopes: (106)Cd, (108)Cd,(110)Cd, (111)Cd, (112)Cd, (113)Cd, (114)Cd and (116)Cd, with (112)Cd and (114)Cd being the most common. | 2.17 | 1 | 0 | cadmium molecular entity;
zinc group element atom | |
chlorine
Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. | 2.75 | 3 | 0 | diatomic chlorine;
gas molecular entity | bleaching agent |
titanium dioxide
titanium dioxide: used medically as protectant against externally caused irritation & sunlight; high concentrations of dust may cause irritation to respiratory tract; RN given refers to titanium oxide (TiO2); structure. titanium dioxide : A titanium oxide with the formula TiO2. A naturally occurring oxide sourced from ilmenite, rutile and anatase, it has a wide range of applications. | 2.13 | 1 | 0 | titanium oxides | food colouring |
pcb 118
[no description available] | 3.65 | 9 | 0 | dichlorobenzene;
pentachlorobiphenyl;
trichlorobenzene | |
3,4,3',4'-tetrachlorobiphenyl
3,4,3',4'-tetrachlorobiphenyl: RN given refers to parent cpd. 3,3',4,4'-tetrachlorobiphenyl : A tetrachlorobiphenyl that is biphenyl in which the hydrogens at position 3 and 4 on each phenyl group are replaced by chlorines. | 2.44 | 2 | 0 | dichlorobenzene;
tetrachlorobiphenyl | |
2,3,3',4,4'-pentachlorobiphenyl
[no description available] | 2.74 | 3 | 0 | dichlorobenzene;
pentachlorobiphenyl;
trichlorobenzene | |
pcb 74
[no description available] | 2.17 | 1 | 0 | | |
3,4,5,3',4',5'-hexachlorobiphenyl
[no description available] | 2.21 | 1 | 0 | hexachlorobiphenyl;
trichlorobenzene | |
2,4,5,2',4',5'-hexachlorobiphenyl
[no description available] | 4.13 | 15 | 0 | hexachlorobiphenyl | |
2,2',3',4,4',5-hexachlorobiphenyl
[no description available] | 3.46 | 7 | 0 | polychlorobiphenyl | |
pcb 180
PCB 180: C12-H3-Cl7 | 3.47 | 7 | 0 | polychlorobiphenyl | |
2,4,6-trichlorobiphenyl
2,4,6-trichlorobiphenyl: structure given in first source | 2.02 | 1 | 0 | | |
2,5,2',5'-tetrachlorobiphenyl
2,2',5,5'-tetrachlorobiphenyl : A tetrachlorobiphenyl that is biphenyl in which the hydrogens at the 2 and 5 position of each benzene ring are replaced by chlorines. | 3.88 | 11 | 0 | dichlorobenzene;
tetrachlorobiphenyl | |
2,4,5,2',5'-pentachlorobiphenyl
[no description available] | 3.78 | 10 | 0 | | |
2,3,4,2',3',4'-hexachlorobiphenyl
[no description available] | 2.06 | 1 | 0 | | |
3,4,5,3',4'-pentachlorobiphenyl
3,3',4,4',5-pentachlorobiphenyl : A pentachlorobiphenyl in which the chlorines are located at the 3, 4, 5, 3', and 4' positions. | 2.21 | 1 | 0 | pentachlorobiphenyl;
trichlorobenzene | |
goethite
[no description available] | 2.1 | 1 | 0 | | |
2,2',4,4'-tetrabromodiphenyl ether
[no description available] | 2.47 | 2 | 0 | aromatic ether;
organobromine compound | |
hydroxyl radical
Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 2.1 | 1 | 0 | oxygen hydride;
oxygen radical;
reactive oxygen species | |
fenton's reagent
Fenton's reagent: used for oxidizing sugars & alcohols | 2.52 | 2 | 0 | | |
2,2-(2-chlorophenyl-4'-chlorophenyl)-1,1-dichloroethene
2,2-(2-chlorophenyl-4'-chlorophenyl)-1,1-dichloroethene: structure given in first source; metabolite of o,p-DDD (mitotane) | 2.1 | 1 | 0 | diarylmethane | |
betadex
beta-Cyclodextrins: Cyclic GLUCANS consisting of seven (7) glucopyranose units linked by 1,4-glycosidic bonds. | 2.13 | 1 | 0 | cyclodextrin | |
polidocanol
Polidocanol: An alkyl polyglycol ether of LAURYL ALCOHOL, chemically defined as an alcohol ethoxylate having an average alkyl chain of 12–14 carbon atoms, and an ethylene oxide chain of 9 ethylene oxide units. It is used as a detergent, and medically as a local anesthetic, and as a sclerosing agent for the treatment of ESOPHAGEAL AND GASTRIC VARICES and VARICOSE VEINS.. polidocanol : A hydroxypolyether that is nonaethylene glycol in which one of the terminal hydroxy functions is substituted by a lauryl (dodecyl) group. | 2.13 | 1 | 0 | hydroxypolyether | hepatotoxic agent;
nonionic surfactant;
sclerotherapy agent |
2-hydroxy-6-oxo-6-phenylhexa-2,4-dienoate
2-hydroxy-6-oxo-6-phenyl-2,4-hexadienoic acid: metabolic product of biphenyl; from Pseudomonas putida; RN given refers to cpd without isomeric designation; structure. 2-hydroxy-6-oxo-6-phenylhexa-2,4-dienoic acid : Penta-2,4-dienoic acid in which the hydrogen at position 2 is substituted by hydroxy and one of the hydrogens at position 5 is substituted by a benzoyl group. It is a metabolic product of biphenyl from Pseudomonas putida. | 2.06 | 1 | 0 | | |
selenium
Selenium: An element with the atomic symbol Se, atomic number 34, and atomic weight 78.97. It is an essential micronutrient for mammals and other animals but is toxic in large amounts. Selenium protects intracellular structures against oxidative damage. It is an essential component of GLUTATHIONE PEROXIDASE. | 2 | 1 | 0 | chalcogen;
nonmetal atom | micronutrient |
tribromodiphenyl ether 28
4-bromophenyl 2,4-dibromophenyl ether : A polybromodiphenyl ether that is diphenyl ether in which the hydrogens at the 2, 4, and 4' positions have been replaced by bromines. | 2.11 | 1 | 0 | polybromodiphenyl ether | |
phosphatidylcholines
Phosphatidylcholines: Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety. | 2.05 | 1 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine | |
ascorbic acid
Ascorbic Acid: A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.. L-ascorbic acid : The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.. L-ascorbate : The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.. vitamin C : Any member of a group of vitamers that belong to the chemical structural class called butenolides that exhibit biological activity against vitamin C deficiency in animals. The vitamers include L-ascorbic acid and its salt, ionized and oxidized forms. | 1.99 | 1 | 0 | ascorbic acid;
vitamin C | coenzyme;
cofactor;
flour treatment agent;
food antioxidant;
food colour retention agent;
geroprotector;
plant metabolite;
skin lightening agent |
aldrin
Aldrin: A highly poisonous substance that was formerly used as an insecticide. The manufacture and use has been discontinued in the U.S. (From Merck Index, 11th ed). aldrin : An organochlorine compound resulting from the Diels-Alder reaction of hexachlorocyclopentadiene with norbornadiene. A proinsecticide (by epoxidation of the non-chlorinated double bond to give dieldrin), it was widely used as an insecticide before being banned in the 1970s as a persistent organic pollutant. | 2.21 | 1 | 0 | | |
vitamin b 12
Vitamin B 12: A cobalt-containing coordination compound produced by intestinal micro-organisms and found also in soil and water. Higher plants do not concentrate vitamin B 12 from the soil and so are a poor source of the substance as compared with animal tissues. INTRINSIC FACTOR is important for the assimilation of vitamin B 12. | 2.1 | 1 | 0 | | |