CAS 4553-17-7 appears in our catalog under these names: D-γ-Glutamyl-D-glutamic acid, D-γ-Glutamyl-D-glutamic acid, 98.85%. Offered by: Creative Peptides, Chemat, MedChemExpress. Available pack sizes: on request, 1mg, 5mg, 10mg, 25mg, 50mg, 100mg, 25 mg.