Product Description (R)-(-)-Ibuprofen Other Details Molecular Formula: C13H18O2 Molecular Weight: 206.28 CAS Number: 51146-57-7 Minimum Purity: 0.96 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 100mg Leadtime:20 Days Sizes 2: 250mg Leadtime:20 Days Sizes 3: 1g Leadtime:20 Days