Tranilast impurity 5 (CAS 697235-52-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C19H19NO5. Molecular weight: 341.36 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
Molecular Formula
C19H19NO5
Molecular Weight
341.36 g/mol
Appearance
Pale yellow to yellow crystalline powder
Purity
97%+
Storage
Store at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)
Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
Stability
May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light