3-Methylxanthine

3-甲基黄嘌呤

Also known as: 2,6-dihydroxy-3-methylpurine, 3,7-dihydro-3-methyl-1H-purine-2,6-dione, 3-methyl-7H-purine-2,6-dione, 3-methyl-7H-xanthine, 3-Methyl-1H-purine-2,6(3H,7H)-dione, 3-Methyl-3,7-dihydro-1H-purine-2,6-dione, Theophylline-ethylenediamine Impurity 2, Theophylline-ethylenediamine EP Impurity B, AKOS NCG-0058, EINECS 214-058-1, MFCD00005580, CCRIS 5817, NSC 515466

3-Methylxanthine (CAS 1076-22-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H6N4O2 and a molecular weight of 166.137 g/mol. It is also known as 2,6-dihydroxy-3-methylpurine, 3,7-dihydro-3-methyl-1H-purine-2,6-dione and 3-methyl-7H-purine-2,6-dione. Key properties include a melting point of >300 °C(lit.), a boiling point of 322.4ºC at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 148.8ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1076-22-8

Jingsj CID

J-26230-3

Molecular Formula

C₆H₆N₄O₂

Chinese Name

3-甲基黄嘌呤

Molecular Weight

166.137 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026