The chemical Meropenem has a designated molecular formula of C17H25N3O5S and a molecular weight of 383.463 g/mol. Synonyms may include: Antibiotic SM 7338, BRN 6940582, ICI 194660, Meropenemum [INN-Latin], SM 7338, Merrem, Merrem I.V., Meropenemum, UNII-YOP6PX0BAO, HSDB 8019 (ChemID). Meropenem has been assigned a MeSH pharmacological action of: Antibacterial.