Product Description Levonorgestrel Other Details Molecular Formula: C21H28O2 Molecular Weight: 312.45 CAS Number: 797-63-7 Minimum Purity: 98% (HPLC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 100mg Leadtime:20 Days Sizes 2: 500mg Leadtime:20 Days Sizes 3: 1g Leadtime:20 Days