Pemetrexed, Disodium Salt, Heptahydrate (N-[4-[(2-Amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin

Pemetrexed inhibits dihydrofolate reductase, thymidylate synthase and glycinamide ribonucleotide formyltransferase with Ki values of 7nM, 109nM and 9.3uM, respectively. Solubility: Very poorly soluble in DMSO and ethanol, soluble in water at 100mg/ml.. Buffers, serum, or other additives may increase or decrease the aqueous solubility. Storage and Stability: May be stored at RT for short-term only. Long-term storage is recommended at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.