High-purity Escitalopram EP Impurity K Oxalate (CAS 219861-53-7) pharmacopoeial impurity standards reference standard. Molecular formula: C20H21FN2O C2H2O4. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
Molecular Formula
C20H21FN2O C2H2O4
Molecular Weight
414.43 g/mol
Appearance
Pale yellow to yellow crystalline powder. (slight halide-like odor)
Purity
>95%
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