CAS 152721-37-4 appears in our catalog under these names: EF-5/ 98.26% (existing batch purity), EF-5, EF-5 98%, EF-5, 98.29%, EF-5 (Standard). Offered by: TargetMol, Biosynth, Ambeed, Chemat, MedChemExpress. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 100mg, 250mg, 5 mg.