Synonyms: 2,4-Diamino-5-[3,4,5-trimethoxybenzyl]pyrimidine, proloprim, NIH 204.Description: White crystalline powder with a faint yellow cast. Dihydrofolate reductase inhibitor.Applications: For use in bacterial and cell culture media.Molecular Formula:C14H18N4O3Molecular Weight: 290.3CAS # : 738-70-5Shipping Conditions: On Ice.Storage Conditions: Frozen.Purity............................................>99.0Identification..................................PassesMelting Range................................ 199 - 203°CLoss on Drying................................max 0.5%Residue after Ignition......................max 0.1%HAZARD........................................STSTORAGE......................................C