CAS 22735-07-5 appears in our catalog under these names: (H–Cys–OEt)₂ · 2 HCl, (H-Cys-OEt)2 dihydrochloride, 95%, (H-Cys-OEt)2.2HCl, 95%, L-Cystine bis(ethyl ester) dihydrochloride, 95%, (2R,2'R)-Diethyl 3,3'-disulfanediylbis(2-aminopropanoate) dihydrochloride, 95%. Offered by: GLPBio, Combi-blocks, Ambeed, Chemat, BLDpharm. Available pack sizes: 5g, 1g, 25g, 100g.