Metoprolol Impurity 2 (Mixture of Z and E Isomers) (CAS 82961-02-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H23NO3. Molecular weight: 265.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
Molecular Formula
C15H23NO3
Molecular Weight
265.35 g/mol
Appearance
Off-white to pale yellow crystalline powder
Purity
97%+
Storage
Store at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)
Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
Stability
May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light