Product Description Erythromycin ethyl succinate Other Details Molecular Formula: C43H75NO16 Molecular Weight: 862.53 CAS Number: 1264-62-6 Minimum Purity: 98% (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