Product Description L-Cystine dihydrochloride Other Details Molecular Formula: C6H12N2O4S2.2HCl Molecular Weight: 313.23 CAS Number: 30925-07-6 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 5g Leadtime:20 Days Sizes 2: 25g Leadtime:20 Days Sizes 3: 100g Leadtime:0