High-purity Umeclidinium Impurity 4 (CAS 869112-31-2) pharmacopoeial impurity standards reference standard. Molecular formula: C22H28NO2 Br. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
Molecular Formula
C22H28NO2 Br
Molecular Weight
418.37 g/mol
Appearance
Pale yellow to yellow crystalline powder. (slight halide-like odor)
Purity
>95%
Storage
Store at room temperature, protect from light
Solubility (reference)
Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
Stability
May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions