Nifedipine Impurity 21 (CAS 80742-13-8) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: 2*C19H18N4O6. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
Molecular Formula
2*C19H18N4O6
Molecular Weight
398.38 g/mol
Appearance
Pale yellow to yellow crystalline powder
Purity
>95%
Storage
Store at 2-8°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