Product Description 7-Ethyl-10-hydroxycamptothecin Other Details Molecular Formula: C22H20N2O5 Molecular Weight: 392.41 CAS Number: 86639-52-3 Minimum Purity: 99% (HPLC), powder UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 250mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 5g Leadtime:20 Days