Methotrexate: Drug Effects, Side Effects, Dosage and Uses

Products Methotrexate is commercially available as a solution for parenteral use and in tablet form. See also under methotrexate prefilled syringe (low-dose). Structure and properties Methotrexate (C20H22N8O5, Mr = 454.44 g/mol) is a dicarboxylic acid that exists as a yellow to orange crystalline powder that is virtually insoluble in water. Methotrexate was developed as a … Methotrexate: Drug Effects, Side Effects, Dosage and Uses