It’s only fair to share… Acefylline Molecular FormulaC9H10N4O4 Average mass238.200 Da (1,3-Dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)acetic acid 1,2,3,6-Tetrahydro-1,3-dimethyl-2,6-dioxo-7H-purine-7-acetic Acid 1,3-Dimethylxanthine-7-acetic acid 211-490-2 [EINECS] 652-37-9 [RN] 7-(Carboxymethyl)theophylline 7H-Purine-7-acetic acid, 1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo- CAS Registry Number: 652-37-9 CAS Name: 1,2,3,6-Tetrahydro-1,3-dimethyl-2,6-dioxopurine-7-acetic acid Additional Names: carboxymethyltheophylline; 7-theophyllineacetic acid Molecular Formula: C9H10N4O4 Molecular Weight: 238.20 Percent Composition: C 45.38%, H 4.23%, N 23.52%, O 26.87% Literature References: Prepn: DE 352980 (1922 to E. Merck); Frdl. 14, 1320; S. M. Ride et al., Pharmazie 32, 672 (1977). …