CAS 62571-86-2 appears in our catalog under these names: (2S)-1-[(2S)-2-methyl-3-sulfanylpropanoyl]pyrrolidine-2-carboxylic acid, 95%, Captopril, min. 95 %, 10 g, Captopril, Captopril, >95% (HPLC), Captopril/ 98.62% (existing batch purity). Offered by: Fluorochem, Roth, Chemat Brand, TRC, Mikromol. Available pack sizes: 1g, 5g, 25g, 100g, 500g, 10g, on request, 250mg.