Substance | Relationship Strength | Studies | Trials | Classes | Roles |
citric acid, anhydrous Citric Acid: A key intermediate in metabolism. It is an acid compound found in citrus fruits. The salts of citric acid (citrates) can be used as anticoagulants due to their calcium chelating ability.. citric acid : A tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2. It is an important metabolite in the pathway of all aerobic organisms. | 2.03 | 1 | 0 | tricarboxylic acid | antimicrobial agent; chelator; food acidity regulator; fundamental metabolite |
chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.03 | 1 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
melatonin [no description available] | 1.99 | 1 | 0 | acetamides; tryptamines | anticonvulsant; central nervous system depressant; geroprotector; hormone; human metabolite; immunological adjuvant; mouse metabolite; radical scavenger |
nitrates Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 2.03 | 1 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | |
phenolsulfonphthalein Phenolsulfonphthalein: Red dye, pH indicator, and diagnostic aid for determination of renal function. It is used also for studies of the gastrointestinal and other systems.. phenol red : 3H-2,1-Benzoxathiole 1,1-dioxide in which both of the hydrogens at position 3 have been substituted by 4-hydroxyphenyl groups. A pH indicator changing colour from yellow below pH 6.8 to bright pink above pH 8.2, it is commonly used as an indicator in cell cultures and in home swimming pool test kits. It is also used in the (now infrequently performed) phenolsulfonphthalein (PSP) test for estimation of overall blood flow through the kidney. | 2.52 | 2 | 0 | 2,1-benzoxathiole; arenesulfonate ester; phenols; sultone | acid-base indicator; diagnostic agent; two-colour indicator |
2,3,4,6-tetrachlorophenol 2,3,4,6-tetrachlorophenol: RN given refers to parent cpd; see also record for tetrachlorophenol with locants for chloro groups not specified. 2,3,4,6-tetrachlorophenol : A tetrachlorophenol in which the chlorines are located at positions 2, 3, 4, and 6. | 4.22 | 17 | 0 | tetrachlorophenol | xenobiotic metabolite |
galactose galactopyranose : The pyranose form of galactose. | 2.52 | 2 | 0 | D-galactose; galactopyranose | Escherichia coli metabolite; mouse metabolite |
edetic acid Edetic Acid: A chelating agent that sequesters a variety of polyvalent cations such as CALCIUM. It is used in pharmaceutical manufacturing and as a food additive. | 2.03 | 1 | 0 | ethylenediamine derivative; polyamino carboxylic acid; tetracarboxylic acid | anticoagulant; antidote; chelator; copper chelator; geroprotector |
cycloheximide Cycloheximide: Antibiotic substance isolated from streptomycin-producing strains of Streptomyces griseus. It acts by inhibiting elongation during protein synthesis.. cycloheximide : A dicarboximide that is 4-(2-hydroxyethyl)piperidine-2,6-dione in which one of the hydrogens attached to the carbon bearing the hydroxy group is replaced by a 3,5-dimethyl-2-oxocyclohexyl group. It is an antibiotic produced by the bacterium Streptomyces griseus. | 2 | 1 | 0 | antibiotic fungicide; cyclic ketone; dicarboximide; piperidine antibiotic; piperidones; secondary alcohol | anticoronaviral agent; bacterial metabolite; ferroptosis inhibitor; neuroprotective agent; protein synthesis inhibitor |
azomycin azomycin: RN given refers to parent cpd with specified locant; structure | 2.02 | 1 | 0 | C-nitro compound; imidazoles | antitubercular agent |
carbonates Carbonates: Salts or ions of the theoretical carbonic acid, containing the radical CO2(3-). Carbonates are readily decomposed by acids. The carbonates of the alkali metals are water-soluble; all others are insoluble. (From Grant & Hackh's Chemical Dictionary, 5th ed). carbonates : Organooxygen compounds that are salts or esters of carbonic acid, H2CO3. | 2.03 | 1 | 0 | carbon oxoanion | |
chlorophenol red chlorophenol red: used in transport studies of goldfish renal tubules; structure | 2.52 | 2 | 0 | | |
benzonidazole benzonidazole: used in treatment of Chagas' disease. benznidazole : A monocarboxylic acid amide obtained by formal condensation of the carboxy group of (2-nitroimidazol-1-yl)acetic acid with the aromatic amino group of benzylamine. Used for treatment of Chagas disease. | 2.02 | 1 | 0 | C-nitro compound; imidazoles; monocarboxylic acid amide | antiprotozoal drug |
4-nitrophenylgalactoside 4-nitrophenylgalactoside: RN refers to (beta-D)-isomer. 4-nitrophenyl-beta-D-galactoside : A beta-D-galactopyranoside having a 4-nitrophenyl substituent at the anomeric position. | 1.98 | 1 | 0 | beta-D-galactoside; monosaccharide derivative | affinity label |
5-bromo-4-chloro-3-indolyl beta-galactoside 5-bromo-4-chloro-3-indolyl beta-galactoside: enzyme substrate for beta-galactosidase. 5-bromo-4-chloro-3-indolyl beta-D-galactoside : An indolyl carbohydrate that is the beta-D-galactoside of 3-hydroxy-1H-indole in which the indole moiety is substituted at positions 4 and 5 by chlorine and bromine, respectively. It is used to test for the presence of an enzyme, beta-galactosidase, which cleaved the glycosidic bond to give 5-bromo-4-chloro-3-hydroxy-1H-indole, which immediately dimerises to give an intensely blue product. | 2.02 | 1 | 0 | beta-D-galactoside; D-aldohexose derivative; indolyl carbohydrate; organobromine compound; organochlorine compound | chromogenic compound |
glycidyl nitrate glycidyl nitrate: a nitric oxide donor; structure in first source. peptidoglycan : A peptidoglycosaminoglycan formed by alternating residues of beta-(1->4)-linked N-acetylglucosamine and N-acetylmuramic acid {2-amino-3-O-[(S)-1-carboxyethyl]-2-deoxy-D-glucose} residues. Attached to the carboxy group of the muramic acid is a peptide chain of three to five amino acids. | 2.11 | 1 | 0 | | |
nitrophenylgalactosides Nitrophenylgalactosides: Includes ortho-, meta-, and para-nitrophenylgalactosides.. 2-nitrophenyl beta-D-galactoside : A beta-D-galactoside having a 2-nitrophenyl substituent at the anomeric position. | 1.98 | 1 | 0 | beta-D-galactoside; C-nitro compound | chromogenic compound |
isoflavanone isoflavanone: structure given in first source; RN from CA Index Guide. isoflavanone : Isoflavone in which the double bond between positions 2 and 3 has been reduced to a single bond. | 2 | 1 | 0 | isoflavanones | |
ferulic acid ferulate : A monocarboxylic acid anion obtained by the deprotonation of the carboxy group of ferulic acid. | 2.03 | 1 | 0 | ferulic acids | anti-inflammatory agent; antioxidant; apoptosis inhibitor; cardioprotective agent; MALDI matrix material; plant metabolite |
isopropyl thiogalactoside Isopropyl Thiogalactoside: A non-metabolizable galactose analog that induces expression of the LAC OPERON.. isopropyl beta-D-thiogalactopyranoside : An S-glycosyl compound consisting of beta-D-1-thiogalactose having an isopropyl group attached to the anomeric sulfur. | 2.43 | 2 | 0 | S-glycosyl compound | |
11-cis-retinal Rhodopsin: A purplish-red, light-sensitive pigment found in RETINAL ROD CELLS of most vertebrates. It is a complex consisting of a molecule of ROD OPSIN and a molecule of 11-cis retinal (RETINALDEHYDE). Rhodopsin exhibits peak absorption wavelength at about 500 nm.. 11-cis-retinal : A retinal having 2E,4Z,6E,8E-double bond geometry. | 1.99 | 1 | 0 | retinal | chromophore; human metabolite; mouse metabolite |
nifurtimox Nifurtimox: A nitrofuran thiazine that has been used against TRYPANOSOMIASIS. | 2.02 | 1 | 0 | nitrofuran antibiotic | |
sodium hypochlorite Sodium Hypochlorite: It is used as an oxidizing and bleaching agent and as a disinfectant. (From Grant & Hackh's Chemical Dictionary, 5th ed). sodium hypochlorite : An inorganic sodium salt in which hypochlorite is the counterion. It is used as a bleaching and disinfecting agent and is commonly found in household bleach. | 2.03 | 1 | 0 | inorganic sodium salt | bleaching agent; disinfectant |