SPL Set ID: cd4932ce-0856-4e99-8baf-70afce1d7ffd

Sulfamethoxazole and trimethoprim is a synthetic antibacterial combination product containing 200 mg sulfamethoxazole and 40 mg trimethoprim per 5 mL for oral administration. Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is an almost white, odorless, tasteless compound with a molecular weight of 253.28 and the following structural formula is: Trimethoprim is 2,4-diamino-5-(3,4,5- trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white to light yellow, odorless, bitter compound with a molecular weight of 290.3 and it has the following structural formula is: Chemical Structure Chemical Structure