Medchemexpress,HY-13781 500mg Pemetrexed (disodium hemipenta hydrate) Pemetrexed sodium hydrate CAS:357166-30-4 Formula:C20H21N5O6 . 5/2 H2O . 2Na Pemetrexed disodium hemipenta hydrate is a novel antifolate, the Ki values of the pentaglutamate of LY231514 are 1.3, 7.2, and 65 nM for inhibits thymidylate synthase (TS), dihydrofolate reductase (DHFR), and glycinamide ribonucleotide formyltransferase (GARFT), respectively. Purity:98% Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.