CAS Number: 96036-03-2
Chemical Name: Meropenem
Molecular Formula: C17H25N3O5S
Molecular Weight: 383.46

CAS Number: 211238-34-5
Chemical Name: Meropenem Sodium Salt
Molecular Formula: C17H24N3NaO5S
Molecular Weight: 405.44

CAS Number: 124190-28-9
Chemical Name: Open Ring Metabolite Meropenem
Molecular Formula: C17H27N3O6S
Molecular Weight: 401.48