Product Description Donepezil Other Details Molecular Formula: C24H29NO3 Molecular Weight: 379.49 CAS Number: 120014-06-4 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