SPL Set ID: ff55c573-dc84-4ff3-9d10-2b24c47dd679

Methotrexate, USP is dihydrofolate reductase inhibitor with the chemical name of N-[4-[[(2,4 diamino-6-pteridinyl) methyl]methylamino]benzoyl]-L glutamic acid. The molecular formula is C 20 H 22 N 8 O 5 and the molecular weight is 454.4 g/mol. The structural formula is: Methotrexate tablets, USP for oral use is available in bottles of 36 and 100 tablets. Each tablet contains 2.5 mg methotrexate, USP equivalent to 2.74 mg methotrexate sodium and the following inactive ingredients: lactose monohydrate, pregelatinized starch, microcrystalline cellulose and magnesium stearate. structure