Product Description Trimethoprim lactic acid Other Details Molecular Formula: C17H24N4O6 Molecular Weight: 380.4 CAS Number: 23256-42-0 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