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Methotrexate CAS 59-05-2 formerly known as amethopterin, is a chemotherapy agent and immune system suppressant. It is stable, but light sensitive and hygroscopic. Incompatible with strong acids, strong oxidizing agents. Store at -15C or below.Soluble in dilute alkali, acid or alkali metal carbonate solution, slightly soluble in dilute hydrochloric acid, almost insoluble in water, ethanol, chloroform and ether.
Appearance Orange yellow crystalline powder
Purity, % 99.00-102.00
Melting point 185-204°C
Storage Conditions -20°C Freezer
Molecular Weight 454.44
Related substances ≤1.0%
Loss on drying ≤0.5%
Heavy Metals ≤20ppm
1.Antineoplastic agents for various acute leukemia, choriocarcinoma, malignant mole, and psoriasis
2.Folate antagonists, dihydrofolate reductase inhibitors.
0.5kg/bag or 1kg/tin
Storage & Handling
Store in a dry, cool, well-ventilated area away from heat ,open flames, organic chemicals and light.
Always refer to the Material Safety Data Sheet (MSDS) for detailed information on handling and disposal.