S-(-)-Bisoprolol Fumarate (CAS 216309-94-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H31NO4 C4H4O4. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
Molecular Formula
C18H31NO4 C4H4O4
Molecular Weight
441.52 g/mol
Appearance
Off-white to pale yellow crystalline powder
Purity
97%+
Storage
Store at room temperature, protect from light, keep sealed and dry
Solubility (reference)
Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
Stability
May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light