Afatinib Impurity 20 (CAS 179552-73-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H7Cl2FN4O2. Molecular weight: 353.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
Molecular Formula
C14H7Cl2FN4O2
Molecular Weight
353.14 g/mol
Appearance
Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
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; Contains ester bond; hydrolyzes under strong alkaline conditions