Product Description Erythromycin lactobionate, 610ug/mg Other Details Molecular Formula: C49H89NO25 Molecular Weight: 1092.22 CAS Number: 3847-29-8 Minimum Purity: 0 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 500mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 5g Leadtime:20 Days