Methotrexate 1-methyl ester is an impurity of Methotrexate, a folic acid antagonist. Used as a antineoplastic and antirheumatic. References: Henderson GB, Tsuji JM. Methotrexate efflux in L1210 cells. Kinetic and specificity properties of the efflux system sensitive to bromosulfophthalein and its possible identity with a system which mediates the efflux of 3',5'-cyclic AMP. J Biol Chem. 1987 Oct 5;262(28):13571-8. PubMed PMID: 2820975.

纯度：≥98%

CAS：66147-29-3