Theophylline
C7H8N4O2·H2O
198.18
C7H8N4O2 180.17
1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-, monohydrate;
Theophylline monohydrate
[5967-84-0] Anhydrous [58-55-9]
C7H8N4O2 180.17
1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-, monohydrate;
Theophylline monohydrate
[5967-84-0] Anhydrous [58-55-9]
DEFINITION
Theophylline contains one molecule of water of hydration or is anhydrous. It contains NLT 97.0% and NMT 102.0% of theophylline (C7H8N4O2), calculated on the dried basis.