CAS 74431-23-5 appears in our catalog under these names: Imipenem, Imipenem, Monohydrate, >95% (HPLC), Imipenem Monohydrate, >95% (HPLC), Imipenem monohydrate/ 98.77% (existing batch purity), Imipenem (hydrate). Offered by: Chemat Brand, TRC, TargetMol, GLPBio, Thermo Scientific (Alfa Aesar). Available pack sizes: on request, 10mg, 50mg, 5mg, 100mg, 200mg, 25mg, 1g.