thymine 126.043 126.11342 2,4-dihydroxy-5-methylpyrimidine 5-Methyluracil 5-methyl-2,4(1H,3H)-pyrimidinedione 5-methylpyrimidine-2,4(1H,3H)-dione 5-methyluracil A pyrimidine nucleobase that is uracil in which the hydrogen at position 5 is replaced by a methyl group. Beilstein:607626 C5H6N2O2 CAS:65-71-4 CHEBI:15247 CHEBI:17821 CHEBI:27004 CHEBI:46017 CHEBI:9580 Cc1c[nH]c(=O)[nH]c1=O DrugBank:DB03462 Gmelin:278790 InChI=1S/C5H6N2O2/c1-3-2-6-5(9)7-4(3)8/h2H,1H3,(H2,6,7,8,9) KEGG:C00178 KNApSAcK:C00001511 PDBeChem:TDR PMID:23237383 RWQNBRDOKXIBIV-UHFFFAOYSA-N T THYMINE Thy Thymin Thymine Wikipedia:Thymine chebi_ontology thymine pyrimidine nucleobase pyrimidone