CAS 10318-18-0 appears in our catalog under these names: DL-Cysteine hydrochloride, 90+% , H-DL-Cys.HCl, >98.0%(T), H-DL-Cys-OH·HCl 95%, H-DL-Cys.HCl, 95%, 95%, H-DL-Cys.HCl, 95.0%. Offered by: Thermo Scientific (Alfa Aesar), TCI, Ambeed, Chemat, MedChemExpress. Available pack sizes: 5g, 100g, 25g, 10g, 500g, 25 g.