CAS 3403-25-6 appears in our catalog under these names: H-D-Phe-OtBu hydrochloride, 97%, H–D–Phe–OtBu·HCl, D-Phenylalanine tert-butyl ester hydrochloride, 98% , H-D-Phe-OtBu.HCl, 97%, 97%, H-D-Phe-OtBu.HCl, 99.74%. Offered by: Combi-blocks, GLPBio, Thermo Scientific (Alfa Aesar), Chemat, MedChemExpress. Available pack sizes: 1g, 25g, 5g, 100g, 10g, 100 g, 25 g, 500g.