High-purity Metformin EP Impurity B Hydrochloride (CAS 2959-04-8) pharmacopoeial impurity standards reference standard. Molecular formula: C4H8N8 HCl. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
Molecular Formula
C4H8N8 HCl
Molecular Weight
204.62 g/mol
Appearance
Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity
>95%
Storage
Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)
Soluble in DMSO, DMF, methanol
Stability
May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light