CAS 56796-39-5 appears in our catalog under these names: Cefmetazole sodium, 5 g, Cefotetan Impurity 1 Sodium Salt (Cefmetazole Sodium Salt), Cefmetazole Sodium, Cefmetazole sodium/ 99.26% (existing batch purity), Cefmetazole sodium (Sodium cefmetazole). Offered by: Roth, Chemat Brand, Hubei YoungXin, TRC, TargetMol. Available pack sizes: 5g, on request, 10mg, 25mg, 50mg, 100mg, 200mg, 1g.