Product Description Spiramycin Other Details Molecular Formula: C43H74N2O14 Molecular Weight: 843.53 CAS Number: 8025-81-8 Minimum Purity: >90% (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: 25g Leadtime:20 Days