CAS Number: 119478-56-7
Chemical Name: Meropenem Trihydrate
Molecular Formula: C17H31N3O8S
Molecular Weight: 437.51

CAS Number: 1053703-36-8
Chemical Name: (4R,5S)-5-[(1S,2R)-1-Carboxy-2-hydroxypropyl]-3-[[(3S,5S)-5-[(dimethylamino)carbonyl]pyrrolidin-3-yl]sulfanyl]-4-methyl-4,5-dihydro-1H-pyrrole-2-carboxylic Acid
Molecular Formula: C17H27N3O6S
Molecular Weight: 401.48

CAS Number: 166901-45-7
Chemical Name: Meropenem Trihydrate
Molecular Formula: C34H50N6O10S2
Molecular Weight: 766.92