98 methotrexate

Raltitrexed (112887-68-0) Raltitrexed is an anti-tumor pharmaceutical agent specifically developed for the treatment of advanced colorectal cancer. As a highly selective inhibitor of thymidylate synthase (TS), it targets the key enzyme responsible for the biochemical conversion of dUMP to dTMP. The compound enters cells via the reduced folate/methotrexate cell membrane carrier and is converted to polyglutamate species by folylpolyglutamate synthase within 4 hours, where it

Leucovorin Calcium (1492-18-8) Leucovorin calcium is used for the rescue of toxicity reactions caused by excessive amounts of aminopterin and methotrexate, as well as for the treatment of giant red blood cell anemia. Product Specifications Product Name: Leucovorin calcium CAS No.: 1492-18-8 Assay: 98% Specification: CP, EP, In-house, as required Molecular Formula: C20H25CaN7O7 Molecular Weight: 511.54 Shelf Life: 2 Years Package: 25kg/drum Product Images