Product Description Hydroxyzine dihydrochloride Other Details Molecular Formula: C21H29Cl3N2O2 Molecular Weight: 447.83 CAS Number: 2192-20-3 Minimum Purity: 98% (HPLC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 5g Leadtime:20 Days Sizes 3: 10g Leadtime:20 Days