| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
acetone
methyl ketone : A ketone of formula RC(=O)CH3 (R =/= H). | 2.02 | 1 | 0 | ketone body;
methyl ketone;
propanones;
volatile organic compound | EC 3.5.1.4 (amidase) inhibitor;
human metabolite;
polar aprotic solvent |
ammonium hydroxide
azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 2.72 | 3 | 0 | azane;
gas molecular entity;
mononuclear parent hydride | EC 3.5.1.4 (amidase) inhibitor;
metabolite;
mouse metabolite;
neurotoxin;
NMR chemical shift reference compound;
nucleophilic reagent;
refrigerant |
chlorine
chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 1.97 | 1 | 0 | halide anion;
monoatomic chlorine | cofactor;
Escherichia coli metabolite;
human metabolite |
phenol
[no description available] | 2.08 | 1 | 0 | phenols | antiseptic drug;
disinfectant;
human xenobiotic metabolite;
mouse metabolite |
pyruvic acid
Pyruvic Acid: An intermediate compound in the metabolism of carbohydrates, proteins, and fats. In thiamine deficiency, its oxidation is retarded and it accumulates in the tissues, especially in nervous structures. (From Stedman, 26th ed). pyruvic acid : A 2-oxo monocarboxylic acid that is the 2-keto derivative of propionic acid. It is a metabolite obtained during glycolysis. | 2.13 | 1 | 0 | 2-oxo monocarboxylic acid | cofactor;
fundamental metabolite |
urea
pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 2.02 | 1 | 0 | isourea;
monocarboxylic acid amide;
one-carbon compound | Daphnia magna metabolite;
Escherichia coli metabolite;
fertilizer;
flour treatment agent;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
guanidine
Guanidine: A strong organic base existing primarily as guanidium ions at physiological pH. It is found in the urine as a normal product of protein metabolism. It is also used in laboratory research as a protein denaturant. (From Martindale, the Extra Pharmacopoeia, 30th ed and Merck Index, 12th ed) It is also used in the treatment of myasthenia and as a fluorescent probe in HPLC.. guanidine : An aminocarboxamidine, the parent compound of the guanidines. | 2.06 | 1 | 0 | carboxamidine;
guanidines;
one-carbon compound | |
vitamin k 3
Vitamin K 3: A synthetic naphthoquinone without the isoprenoid side chain and biological activity, but can be converted to active vitamin K2, menaquinone, after alkylation in vivo. | 2.04 | 1 | 0 | 1,4-naphthoquinones;
vitamin K | angiogenesis inhibitor;
antineoplastic agent;
EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor;
human urinary metabolite;
nutraceutical |
ethylmaleimide
Ethylmaleimide: A sulfhydryl reagent that is widely used in experimental biochemical studies. | 1.97 | 1 | 0 | maleimides | anticoronaviral agent;
EC 1.3.1.8 [acyl-CoA dehydrogenase (NADP(+))] inhibitor;
EC 2.1.1.122 [(S)-tetrahydroprotoberberine N-methyltransferase] inhibitor;
EC 2.7.1.1 (hexokinase) inhibitor |
tiopronin
Tiopronin: Sulfhydryl acylated derivative of GLYCINE. | 1.97 | 1 | 0 | N-acyl-amino acid | |
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. | 2.03 | 1 | 0 | chlorocarbon;
chloromethanes | hepatotoxic agent;
refrigerant |
propane
Propane: A three carbon alkane with the formula H3CCH2CH3. | 2.01 | 1 | 0 | alkane;
gas molecular entity | food propellant |
carbon disulfide
Carbon Disulfide: A colorless, flammable, poisonous liquid, CS2. It is used as a solvent, and is a counterirritant and has local anesthetic properties but is not used as such. It is highly toxic with pronounced CNS, hematologic, and dermatologic effects. | 2.04 | 1 | 0 | one-carbon compound;
organosulfur compound | |
propyleneimine
[no description available] | 1.98 | 1 | 0 | aziridines | |
tert-butyl alcohol
tert-Butyl Alcohol: An isomer of butanol that contains a tertiary butyl group that consists of three methyl groups, each separately attached to a central (tertiary) carbon.. tert-butanol : A tertiary alcohol alcohol that is isobutane substituted by a hydroxy group at position 2. | 2.44 | 2 | 0 | tertiary alcohol | human xenobiotic metabolite |
tert-butylhydroperoxide
tert-Butylhydroperoxide: A direct-acting oxidative stress-inducing agent used to examine the effects of oxidant stress on Ca(2+)-dependent signal transduction in vascular endothelial cells. It is also used as a catalyst in polymerization reactions and to introduce peroxy groups into organic molecules.. tert-butyl hydroperoxide : An alkyl hydroperoxide in which the alkyl group is tert-butyl. It is widely used in a variety of oxidation processes. | 2.04 | 1 | 0 | alkyl hydroperoxide | antibacterial agent;
oxidising agent |
trichloroacetic acid
Trichloroacetic Acid: A strong acid used as a protein precipitant in clinical chemistry and also as a caustic for removing warts.. trichloroacetic acid : A monocarboxylic acid that is acetic acid in which all three methyl hydrogens are substituted by chlorine. | 2.06 | 1 | 0 | monocarboxylic acid;
organochlorine compound | carcinogenic agent;
metabolite;
mouse metabolite |
penicillanic acid
Penicillanic Acid: A building block of penicillin, devoid of significant antibacterial activity. (From Merck Index, 11th ed). penicillanic acid : A penam that consists of 3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane bearing a carboxy group at position 2 and having (2S,5R)-configuration. | 2 | 1 | 0 | penicillanic acids | |
salicylaldehyde
o-hydroxybenzaldehyde: structure in first source | 2.05 | 1 | 0 | hydroxybenzaldehyde | nematicide;
plant metabolite |
butyl methacrylate
[no description available] | 2.1 | 1 | 0 | enoate ester | |
ethylene dimethacrylate
ethylene glycol dimethacrylate : The enoate ester that is the 1,2-bis(methacryloyl) derivative of ethylene glycol. | 2.1 | 1 | 0 | enoate ester | allergen;
cross-linking reagent;
polymerisation monomer |
4-vinylpyridine
4-vinylpyridine: reagent for blocking cysteine function in proteins; RN given refers to parent cpd | 1.97 | 1 | 0 | | |
2-vinylpyridine
[no description available] | 2.06 | 1 | 0 | | |
triphenyl phosphite
[no description available] | 7.03 | 1 | 0 | | |
aziridine
[no description available] | 2.04 | 1 | 0 | azacycloalkane;
aziridines;
saturated organic heteromonocyclic parent | alkylating agent |
hydantoins
Hydantoins: Compounds based on imidazolidine dione. Some derivatives are ANTICONVULSANTS.. imidazolidine-2,4-dione : An imidazolidinone with oxo groups at position 2 and 4. | 2.02 | 1 | 0 | imidazolidine-2,4-dione | |
fluorobenzenes
Fluorobenzenes: Derivatives of BENZENE that contain FLUORINE.. monofluorobenzene : The simplest member of the class of monofluorobenzenes that is benzene carrying a single fluoro substituent.. fluorobenzenes : Any fluoroarene that is a benzene or a substituted benzene carrying at least one fluoro group. | 2.69 | 3 | 0 | monofluorobenzenes | NMR chemical shift reference compound |
propadiene
[no description available] | 2.05 | 1 | 0 | allenes | |
ketene
ketene: structure. ketene : Carbonyl compounds where the C=O bond is conjugated to an alkylidene group. | 2.1 | 1 | 0 | ketene | |
thiazolidines
Thiazolidines: Reduced (protonated) form of THIAZOLES. They can be oxidized to THIAZOLIDINEDIONES. | 2.04 | 1 | 0 | thiazolidine | |
2-(dimethylamino)ethyl methacrylate
2-(dimethylamino)ethyl methacrylate: reducing agent; structure given in first source | 2.1 | 1 | 0 | | |
dithiothreitol
1,4-dimercaptobutane-2,3-diol : A glycol that is butane-2,3-diol in which a hydrogen from each of the methyl groups is replaced by a thiol group.. 1,4-dithiothreitol : The threo-diastereomer of 1,4-dimercaptobutane-2,3-diol. | 2.7 | 3 | 0 | 1,4-dimercaptobutane-2,3-diol;
butanediols;
dithiol;
glycol;
thiol | chelator;
human metabolite;
reducing agent |
manganese
Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035). manganese(4+) : A manganese cation that is monoatomic and has a formal charge of +4. | 1.97 | 1 | 0 | elemental manganese;
manganese group element atom | Escherichia coli metabolite;
micronutrient |
mercury
Mercury: A silver metallic element that exists as a liquid at room temperature. It has the atomic symbol Hg (from hydrargyrum, liquid silver), atomic number 80, and atomic weight 200.59. Mercury is used in many industrial applications and its salts have been employed therapeutically as purgatives, antisyphilitics, disinfectants, and astringents. It can be absorbed through the skin and mucous membranes which leads to MERCURY POISONING. Because of its toxicity, the clinical use of mercury and mercurials is diminishing.. mercury(0) : Elemental mercury of oxidation state zero. | 7.04 | 1 | 0 | elemental mercury;
zinc group element atom | neurotoxin |
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. | 2.42 | 2 | 0 | metal allergen;
nickel group element atom;
platinum group metal atom | |
platinum
Platinum: A heavy, soft, whitish metal, resembling tin, with atomic number 78, atomic weight 195.084, symbol Pt. It is used in manufacturing equipment for laboratory and industrial use. It occurs as a black powder (platinum black) and as a spongy substance (spongy platinum) and may have been known in Pliny's time as alutiae. | 2.1 | 1 | 0 | elemental platinum;
nickel group element atom;
platinum group metal atom | |
phosphine
phosphane : The simplest phosphine, consisting of a single phosphorus atom with three hydrogens attached.. phosphine : Phosphane (PH3) and compounds derived from it by substituting one, two or three hydrogen atoms by hydrocarbyl groups: RPH2, R2PH, R3P (R =/= H) are called primary, secondary and tertiary phosphines, respectively. A specific phosphine is preferably named as a substituted phosphane. | 2.46 | 2 | 0 | mononuclear parent hydride;
phosphanes;
phosphine | carcinogenic agent;
fumigant insecticide |
triethyl phosphite
triethyl phosphite: RN given refers to parent cpd; structure | 7.44 | 2 | 0 | | |
alkenes
[no description available] | 2.01 | 1 | 0 | | |
thiolactic acid
thiolactic acid: RN given refers to parent cpd | 1.97 | 1 | 0 | mercaptopropanoic acid | |
isothiocyanic acid
[no description available] | 2.04 | 1 | 0 | hydracid;
one-carbon compound | |
ethyl 2-butynoate
[no description available] | 2.02 | 1 | 0 | | |
3-bromopropylamine
3-bromopropylamine: an alkylating agent used for identifying cysteine residues | 1.98 | 1 | 0 | | |
1,3-bis(diphenylphosphino)propane
1,3-bis(diphenylphosphino)propane: structure in first source | 2.01 | 1 | 0 | | |
homocysteine
Homocysteine: A thiol-containing amino acid formed by a demethylation of METHIONINE.. homocysteine : A sulfur-containing amino acid consisting of a glycine core with a 2-mercaptoethyl side-chain.. L-homocysteine : A homocysteine that has L configuration. | 9.01 | 5 | 0 | amino acid zwitterion;
homocysteine;
serine family amino acid | fundamental metabolite;
mouse metabolite |
3-((3-cholamidopropyl)dimethylammonium)-1-propanesulfonate
3-((3-cholamidopropyl)dimethylammonium)-1-propanesulfonate: a surfactant; structure given in first source | 2.02 | 1 | 0 | 1,1-diunsubstituted alkanesulfonate | |
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. | 2.72 | 3 | 0 | phosphite ion;
trivalent inorganic anion | |
tris(2-carboxyethyl)phosphine
tris(2-carboxyethyl)phosphine: water-soluble reagent which irreversibly reduces disulfides to thiols at room temperature & is active below neutral pH; used for quantitation of iodine and iodate. TCEP : A tertiary phosphine in which phosphane is substituted with three 2-carboxyethyl groups. It is a commonly used reducing agent. | 8.62 | 3 | 0 | phosphine derivative;
tricarboxylic acid | reducing agent |
7-fluorobenzo-2-oxa-1,3-diazole-4-sulfonate
7-fluorobenzo-2-oxa-1,3-diazole-4-sulfonate: fluorogenic reagent for thiols; structure given in first source; RN given refers to ammonium salt; RN for parent cpd not in Chemline 9/84 | 2.69 | 3 | 0 | | |
4-(aminosulfonyl)-7-fluoro-2,1,3-benzoxadiazole
4-(aminosulfonyl)-7-fluoro-2,1,3-benzoxadiazole: structure given in first source | 2.38 | 2 | 0 | | |
hydantocidin
hydantocidin: structure given in first source; from Streptomyces hydroscopicus | 2.02 | 1 | 0 | | |
dithioerythritol
[no description available] | 2 | 1 | 0 | 1,4-dimercaptobutane-2,3-diol | reducing agent |
cysteinylglycine
cysteinylglycine: RN given refers to (L)-isomer; RN for cpd without isomeric designation not in Chemlne 7/13/83. L-cysteinylglycine : A dipeptide consisting of glycine having an L-cysteinyl attached to its alpha-amino group. It is an intermediate metabolite in glutathione metabolism. | 1.99 | 1 | 0 | dipeptide zwitterion;
dipeptide | Escherichia coli metabolite;
human metabolite;
Saccharomyces cerevisiae metabolite |
acetyl coenzyme a
Acetyl Coenzyme A: Acetyl CoA participates in the biosynthesis of fatty acids and sterols, in the oxidation of fatty acids and in the metabolism of many amino acids. It also acts as a biological acetylating agent. | 2.13 | 1 | 0 | acyl-CoA | acyl donor;
coenzyme;
effector;
fundamental metabolite |
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. | 2.02 | 1 | 0 | one-carbon compound;
thioureas;
ureas | antioxidant;
chromophore |
sodium borohydride
sodium borohydride: RN given refers to parent cpd | 2.4 | 2 | 0 | inorganic sodium salt;
metal tetrahydridoborate | |
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. | 4.4 | 8 | 0 | cysteinium | fundamental metabolite |
phosphorus
Phosphorus: A non-metal element that has the atomic symbol P, atomic number 15, and atomic weight 31. It is an essential element that takes part in a broad variety of biochemical reactions. | 1.93 | 1 | 0 | monoatomic phosphorus;
nonmetal atom;
pnictogen | macronutrient |
oxadiazoles
Oxadiazoles: Compounds containing five-membered heteroaromatic rings containing two carbons, two nitrogens, and one oxygen atom which exist in various regioisomeric forms. | 2.38 | 2 | 0 | | |
muramidase
Muramidase: A basic enzyme that is present in saliva, tears, egg white, and many animal fluids. It functions as an antibacterial agent. The enzyme catalyzes the hydrolysis of 1,4-beta-linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in peptidoglycan and between N-acetyl-D-glucosamine residues in chitodextrin. EC 3.2.1.17. | 1.98 | 1 | 0 | | |