Order Sildenafil Impurity 30 (CAS 139755-95-6) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C21H28N6O4S. Molecular weight: 460.55 g/mol. COA included with every batch.
Physical & Chemical Properties
Molecular Formula
C21H28N6O4S
Molecular Weight
460.55 g/mol
Purity
97%+
Storage
Store in a cool place (≤25°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