High-purity Sitagliptin Phosphate Monohydrate EP Impurity B (CAS 1345822-87-8) pharmacopoeial impurity standards reference standard. Molecular formula: C16H16F5N5O H3O4P. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
Molecular Formula
C16H16F5N5O H3O4P
Molecular Weight
487.32 g/mol
Appearance
Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity
97%+
Storage
Store in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)
Soluble in DMSO, DMF, methanol
Stability
May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions