Basic

CAS No.	5438-71-1
Product Name	8-(3-carboxypropyl)-1,3-*dimethylxanthine
Synonyms	1H-Purine-8-butanoic acid, 2,3,6,7-tetrahydro-1,3-dimethyl-2,6-dioxo- (9CI); 8-(3-Carboxypropyl)theophylline; 8-Theophyllinebutyric acid; NSC 14374; Theophylline-8-butyric acid; 4-(1,3-dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)butanoic acid
Molecular Formula	C11H14N4O4
Molecular Weight	266.2533

Physical property

Density	1.451g/cm3
Boiling point	613.3°C at 760 mmHg
Flash point	324.7°C
Refractive index	1.609