MSI_000056643

Reliable

排名分数: 2.96
参考来源: DESI (NOVOCELL:BACKGROUND: blank)

M/z: 183.102
Mass Window: 183.1019 ~ 183.102 (0.3 ppm)

参考注释

7-Methylguanine_[M+NH4]+ (BioDeep_00000002254)
2-Amino-1,7-dihydroxy-7-methyl-6H-purine-6-one

Formula: C6H7N5O (165.0650572)
SMILES: NC(N1)=Nc(n2)c(n(C)c2)C(=O)1

7-Methylguanine is a metabolite of DNA methylation and depurination observed in normal human biofluids; however, it has been found significantly higher in the urine of smokers than in nonsmokers. (PMID 16059882). 7-Methylguanine has been identified in the human placenta (PMID: 32033212). 7-Methylguanine is a metabolite of DNA methylation and depurination observed in normal human biofluids; however, it has been found significantly higher in the urine of smokers than in nonsmokers. (PMID 16059882) [HMDB] KEIO_ID M043