CAS Registry Number

CAS 7413-34-5 — Methotrexate disodium salt

Methotrexate disodium salt is a potent antimetabolite chemotherapy agent primarily used in the treatment of certain cancers, autoimmune diseases like psoriasis and rheumatoid arthritis, and ectopic pregnancies. It inhibits dihydrofolate reductase, disrupting DNA synthesis in rapidly dividing cells. This chemical has a CAS number of 7413-34-5, a molecular formula of C20H20N8Na2O5, and a molecular weight of 498.40 g/mol. It must be stored at -15 to -20°C and is classified with the signal word "Danger" due to its high toxicity. Molekula supplies Methotrexate disodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.