| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
hydrogen sulfide
Hydrogen Sulfide: A flammable, poisonous gas with a characteristic odor of rotten eggs. It is used in the manufacture of chemicals, in metallurgy, and as an analytical reagent. (From Merck Index, 11th ed). hydrogen sulfide : A sulfur hydride consisting of a single sulfur atom bonded to two hydrogen atoms. A highly poisonous, flammable gas with a characteristic odour of rotten eggs, it is often produced by bacterial decomposition of organic matter in the absence of oxygen.. thiol : An organosulfur compound in which a thiol group, -SH, is attached to a carbon atom of any aliphatic or aromatic moiety. | 2.49 | 2 | 0 | gas molecular entity;
hydracid;
mononuclear parent hydride;
sulfur hydride | Escherichia coli metabolite;
genotoxin;
metabolite;
signalling molecule;
toxin;
vasodilator agent |
hydrogen carbonate
Bicarbonates: Inorganic salts that contain the -HCO3 radical. They are an important factor in determining the pH of the blood and the concentration of bicarbonate ions is regulated by the kidney. Levels in the blood are an index of the alkali reserve or buffering capacity.. hydrogencarbonate : The carbon oxoanion resulting from the removal of a proton from carbonic acid. | 2.02 | 1 | 0 | carbon oxoanion | cofactor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae 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. | 2.49 | 2 | 0 | elemental hydrogen;
elemental molecule;
gas molecular entity | antioxidant;
electron donor;
food packaging gas;
fuel;
human metabolite |
methanol
Methanol: A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.. primary alcohol : A primary alcohol is a compound in which a hydroxy group, -OH, is attached to a saturated carbon atom which has either three hydrogen atoms attached to it or only one other carbon atom and two hydrogen atoms attached to it.. methanol : The primary alcohol that is the simplest aliphatic alcohol, comprising a methyl and an alcohol group. | 5.93 | 7 | 0 | alkyl alcohol;
one-carbon compound;
primary alcohol;
volatile organic compound | amphiprotic solvent;
Escherichia coli metabolite;
fuel;
human metabolite;
mouse metabolite;
Mycoplasma genitalium metabolite |
selenic acid
Selenic Acid: A strong dibasic acid with the molecular formula H2SeO4. Included under this heading is the acid form, and inorganic salts of dihydrogen selenium tetraoxide. | 2.02 | 1 | 0 | selenium oxoacid | |
selenious acid
Selenious Acid: A selenium compound with the molecular formula H2SO3. It used as a source of SELENIUM, especially for patients that develop selenium deficiency following prolonged PARENTERAL NUTRITION. | 2.04 | 1 | 0 | selenium oxoacid | |
mannitol
[no description available] | 2.07 | 1 | 0 | mannitol | allergen;
antiglaucoma drug;
compatible osmolytes;
Escherichia coli metabolite;
food anticaking agent;
food bulking agent;
food humectant;
food stabiliser;
food thickening agent;
hapten;
metabolite;
osmotic diuretic;
sweetening agent |
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. | 1.96 | 1 | 0 | C-nitro compound;
organofluorine compound | agrochemical;
allergen;
chromatographic reagent;
EC 2.7.3.2 (creatine kinase) inhibitor;
protein-sequencing agent;
spectrophotometric reagent |
hexadecylamine
[no description available] | 2.07 | 1 | 0 | alkylamine | |
dimethylselenide
dimethylselenide: RN given refers to unlabeled cpd. dimethylselenide : An organoselenium compound of two methyl groups covalently bound to a selenium. | 2.46 | 2 | 0 | organoselenium compound | bacterial xenobiotic metabolite;
plant metabolite |
cadmium sulfide
[no description available] | 2.03 | 1 | 0 | cadmium molecular entity | |
selenomethionine
[no description available] | 4.05 | 1 | 0 | selenoamino acid;
selenomethionines | plant metabolite |
selenocystine
selenocystine: RN given refers to parent cpd; structure | 3.49 | 2 | 0 | diselenide;
selenoamino acid | |
dimethyldiselenide
dimethyldiselenide: volatile selenium metabolite. dimethyl diselenide : An organoselenium compound that is diselane covalently bound to two methyl groups. It has been detected in onion-family vegetables and soft-necked garlics. It induces ER stress and toxic protein aggregation in the budding yeast, S. cerevisiae and used as a reagent to identify distonic radical cations. | 2.07 | 1 | 0 | organoselenium compound | bacterial metabolite;
human xenobiotic metabolite;
mammalian metabolite;
plant metabolite |
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. | 2.03 | 1 | 0 | deuterated compound;
water | NMR solvent |
sodium selenite
disodium selenite : An inorganic sodium salt composed of sodium and selenite ions in a 2:1 ratio. | 8.93 | 3 | 0 | inorganic sodium salt;
selenite salt | nutraceutical |
phenyl acetate
phenyl acetate: The ester formed between phenol and acetic acid. Don't confuse with phenylacetic acid derivatives listed under PHENYLACETATES.. phenyl acetate : An acetate ester obtained by the formal condensation of phenol with acetic acid. | 2.02 | 1 | 0 | benzenes;
phenyl acetates | |
sodium selenide
[no description available] | 2.07 | 1 | 0 | inorganic sodium salt | poison;
reducing agent |
hypobromous acid
[no description available] | 2.17 | 1 | 0 | bromine oxoacid | |
bromates
Bromates: Negative ions or salts derived from bromic acid, HBrO3. | 2.17 | 1 | 0 | bromine oxoanion;
monovalent inorganic anion | |
selenodiglutathione
selenodiglutathione : A thioselenide in which a selenium atom is attached to the sulfur atoms of two molecules of glutathione. It is an initial metabolite of selenite, SeO3(2-). | 3.41 | 1 | 0 | glutathione derivative;
thioselenide | Escherichia coli metabolite;
metabolite |
dimethylselenoxide
[no description available] | 2.04 | 1 | 0 | | |
xylose
xylopyranose: structure in first source | 2.02 | 1 | 0 | D-xylose | |
methylselenic acid
methylseleninic acid : An organoselenium compound that is seleninic acid in which the hydrogen attached to selenium is replaced by a methyl group. | 2.04 | 1 | 0 | one-carbon compound;
organoselenium compound | antineoplastic agent;
EC 3.5.1.98 (histone deacetylase) inhibitor;
human xenobiotic metabolite |
methylmercuric chloride
methylmercuric chloride: RN given refers to unlabeled cpd | 1.96 | 1 | 0 | chlorine molecular entity;
mercury coordination entity;
one-carbon compound | |
arabinose
[no description available] | 2.02 | 1 | 0 | L-arabinose | Escherichia coli metabolite;
mouse metabolite |
cystine
[no description available] | 3.49 | 2 | 0 | | |
sodium borohydride
sodium borohydride: RN given refers to parent cpd | 1.96 | 1 | 0 | inorganic sodium salt;
metal tetrahydridoborate | |
carbocyanines
Carbocyanines: Compounds that contain three methine groups. They are frequently used as cationic dyes used for differential staining of biological materials. | 2.15 | 1 | 0 | cyanine dye;
organic iodide salt | fluorochrome |
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. | 11.51 | 14 | 0 | chalcogen;
nonmetal atom | micronutrient |
selenocysteine
Selenocysteine: A naturally occurring amino acid in both eukaryotic and prokaryotic organisms. It is found in tRNAs and in the catalytic site of some enzymes. The genes for glutathione peroxidase and formate dehydrogenase contain the TGA codon, which codes for this amino acid.. selenocysteine : An alpha-amino acid that consists of alanine where one of the methyl hydrogens is substituted with a seleno group. | 3.35 | 1 | 0 | | |
methaneselenol
methaneselenol: RN given refers to (75)Se-labeled cpd. methylselenol : An organoselenium compound that is a selenium analogue of methanol, comprising a methyl group covalently bound to a selenol group. | 5.93 | 7 | 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. | 2.03 | 1 | 0 | nucleobase analogue;
organic heterobicyclic compound | antimetabolite;
EC 1.17.3.2 (xanthine oxidase) inhibitor;
gout suppressant;
radical scavenger |