Product Description Ceramide 4 Other Details Molecular Formula: C22H43NO3 Molecular Weight: 369.6 CAS Number: 74713-58-9 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 10mg Leadtime:20 Days Sizes 2: 50mg Leadtime:20 Days Sizes 3: 100mg Leadtime:20 Days