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Trimethoprim Sulfate
(C14H18N4O3)2·H2SO4 678.71
 2,4-Pyrimidinediamine, 5-[(3,4,5-trimethoxyphenyl)methyl]-, sulfate (2:1) (salt).
 2,4-Diamino-5-[(3,4,5-trimethoxybenzyl)pyrimidine]-, sulfate (2:1) (salt) [56585-33-2]

» Trimethoprim Sulfate contains not less than 98.5 percent and not more than 101.0 percent of (C14H18N4O3)2·H2SO4, calculated on the anhydrous basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Trimethoprim RS
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