Substance | Relationship Strength | Studies | Trials | Classes | Roles |
chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 2.05 | 1 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human 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. | 2.03 | 1 | 0 | elemental hydrogen; elemental molecule; gas molecular entity | antioxidant; electron donor; food packaging gas; fuel; human metabolite |
thymine [no description available] | 8.13 | 5 | 0 | pyrimidine nucleobase; pyrimidone | Escherichia coli metabolite; human metabolite; mouse metabolite |
uracil 2,4-dihydroxypyrimidine: a urinary biomarker for bipolar disorder | 3.81 | 11 | 0 | pyrimidine nucleobase; pyrimidone | allergen; Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; prodrug; Saccharomyces cerevisiae metabolite |
uric acid Uric Acid: An oxidation product, via XANTHINE OXIDASE, of oxypurines such as XANTHINE and HYPOXANTHINE. It is the final oxidation product of purine catabolism in humans and primates, whereas in most other mammals URATE OXIDASE further oxidizes it to ALLANTOIN.. uric acid : An oxopurine that is the final oxidation product of purine metabolism.. 6-hydroxy-1H-purine-2,8(7H,9H)-dione : A tautomer of uric acid having oxo groups at C-2 and C-8 and a hydroxy group at C-6.. 7,9-dihydro-1H-purine-2,6,8(3H)-trione : An oxopurine in which the purine ring is substituted by oxo groups at positions 2, 6, and 8. | 2.04 | 1 | 0 | uric acid | Escherichia coli metabolite; human metabolite; mouse metabolite |
theophylline [no description available] | 2.04 | 1 | 0 | dimethylxanthine | adenosine receptor antagonist; anti-asthmatic drug; anti-inflammatory agent; bronchodilator agent; drug metabolite; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; fungal metabolite; human blood serum metabolite; immunomodulator; muscle relaxant; vasodilator agent |
caffeine [no description available] | 2.43 | 2 | 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 |
thymidine [no description available] | 2.05 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite; human metabolite; metabolite; mouse metabolite |
melamine melamine: RN given refers to parent cpd; structure. melamine : A trimer of cyanamide, with a 1,3,5-triazine skeleton. | 2.11 | 1 | 0 | triamino-1,3,5-triazine | xenobiotic metabolite |
pyrimidine pyrimidine : The parent compound of the pyrimidines; a diazine having the two nitrogens at the 1- and 3-positions. | 1.93 | 1 | 0 | diazine; pyrimidines | Daphnia magna metabolite |
1-methyluracil 1-methyluracil: RN given refers to parent cpd; structure. 1-methyluracil : A pyrimidone that is uracil with a methyl group substituent at position 1. | 1.97 | 1 | 0 | nucleobase analogue; pyrimidone | metabolite |
6-methyluracil 6-methyluracil: RN given refers to unlabeled cpd; structure. 6-methyluracil : A pyrimidone that is uracil with a methyl group at position 6. | 2.35 | 2 | 0 | pyrimidone | metabolite |
2'-deoxyadenosine 2'-deoxyformycin A: RN not in Chemline 9/85; RN and structure given in first source | 2.21 | 1 | 0 | purine 2'-deoxyribonucleoside; purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
2,4,6-triaminopyrimidine 2,4,6-triaminopyrimidine: see also 2,4,6-triaminopyridinium (cation). 2,4,6-triaminopyrimidine : An aminopyrimidine in which a pyrimidine core carries amino substituents at positions 2, 4 and 6. | 2.11 | 1 | 0 | aminopyrimidine | |
adenosine quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 2.21 | 1 | 0 | adenosines; purines D-ribonucleoside | analgesic; anti-arrhythmia drug; fundamental metabolite; human metabolite; vasodilator agent |
methylthymidine methylthymidine: RN given refers to N-3-methylthymidine | 2.05 | 1 | 0 | | |
1,3-dimethyluracil 1,3-dimethyluracil : A pyrimidone that is uracil with methyl group substituents at positions 1 and 3. | 2.05 | 1 | 0 | pyrimidone | metabolite |
6-chlorouracil 6-chlorouracil: radiolabelled with 36Cl | 7.11 | 1 | 0 | | |
1,3,7-trimethylurate 1,3,7-trimethylurate : An organic anion obtained by deprotonation of 1,3,7-trimethyluric acid.. 1,3,7-trimethyluric acid : An oxopurine in which the purine ring is substituted by oxo groups at positions 2, 6, and 8, and the nitrogens at positions 1, 3, and 7 are substituted by methyl groups. It is a metabolite of caffeine. | 2.04 | 1 | 0 | oxopurine | human blood serum metabolite; human urinary metabolite; human xenobiotic metabolite; mouse metabolite |
1-methylxanthine 1-methylxanthine: urinary metabolite of caffeine. 1-methylxanthine : A monomethylxanthine having the methyl group located at the 1-position. It is a metabolite of caffeine in humans.. 1-methyl-7H-xanthine : A 1-methylxanthine tautomer where the imidazole proton is located at the 7-position. | 2.04 | 1 | 0 | 1-methylxanthine | mouse metabolite |
3,7-dimethyluric acid 3,7-dimethyluric acid: structure given in first source. 3,7-dimethyluric acid : An oxopurine that is 7,9-dihydro-1H-purine-2,6,8(3H)-trione substituted by methyl groups at N-3 and N-7. | 2.04 | 1 | 0 | oxopurine | metabolite; mouse metabolite |
1-methylthymine 1,5-dimethyluracil : A pyrimidone that is uracil with methyl group substituents at positions 1 and 5. | 2.03 | 1 | 0 | methylthymine | metabolite |
5-acetylamino-6-formylamino-3-methyluracil 5-acetylamino-6-formylamino-3-methyluracil: metabolite of caffeine | 2.43 | 2 | 0 | formamidopyrimidine | mouse metabolite |
3-methylthymine 3,5-dimethyluracil : A pyrimidone that is uracil with methyl group substituents at positions 3 and 5. | 7.77 | 3 | 0 | methylthymine; pyrimidone | metabolite |