Order Levofloxacin Impurity 40 (CAS 106939-30-4) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C19H22FN3O4. Molecular weight: 375.39 g/mol. COA included with every batch.
Physical & Chemical Properties
Molecular Formula
C19H22FN3O4
Molecular Weight
375.39 g/mol
Appearance
Pale yellow to yellow crystalline powder. (slight halide-like odor)
Purity
97%+
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