CAS 33622-50-3 appears in our catalog under these names: methyl 3–(3–methoxy–3–oxopropanesulfinyl)propanoate, Dimethyl 3,3'-sulfinyldipropionate, 95%, Dimethyl 3,3'-sulfinyldipropionate, 95%, 95%. Offered by: GLPBio, Combi-blocks, Chemat. Available pack sizes: 1g, 250mg, 100mg.