Catsyn offer gram to tons of P-[[(1S)-2-[4-(benzoylamino)-2-oxo-1(2H)-pyrimidinyl]-1-(hydroxymethyl)ethoxy]methyl]phosphonic acid diethyl ester | CAS 132336-36-8, its formula is C19H26N3O7P, molecular weight is 439.40g/mol and the purity is usually NLT 98%.