Trimethoprim (TMP) CAS No.:738-70-5 Quality standard: CP2005/BP2002/USP26/EP4 Chemical name: 5-[(3,4,5-trimethoxyphenyl)methyl]-2,4-pyrimidinediamine Description: white cream, bitter crystalline powder Usage: antibiotic drug Packing: 25kg/fiber drum ,or 25kg/carton,or according to customers?requirement. Certificate of Analysis: If needed, please fell free to contact us We look forward to receive yr Inquiries with Qty required , Destination , Mode of Shipment (Air /Sea ) Pls feel free to send us inquires as per yr requirments. Any other products interested by you are on request . we will try our best to source those materials at our competitive prices & good quality.