CATO supplies Etapenem lmpurity 40 (CAS 90822-24-5), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C17H18N4O7. Molecular weight: 390.35 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
Molecular Formula
C17H18N4O7
Molecular Weight
390.35 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 DMSO, DMF, methanol
Stability
May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening