Erlotinib Impurity 33 (CAS 80407-64-3) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H18O5. Molecular weight: 254.28 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
Molecular Formula
C13H18O5
Molecular Weight
254.28 g/mol
Appearance
Off-white to pale yellow crystalline powder
Purity
97%+
Storage
Store in a cool place (≤25°C), keep sealed and dry
Solubility (reference)
Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
Stability
May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening