Methotrexate, USP
(+)-Amethopterin; 4-Amino-10-methylfolic Acid
Used as an inhibitor of dihydrofolate reductase, and as an agent for antitumor studies.
Antineoplastic, antirheumatic.
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Chemical Formula |
C20H22N8O5 |
|
Molecular Weight |
F.W. 454.44 |
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CAS # |
59-05-2 |
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Safety Information |
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Health Hazard |
2 |
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Fire Hazard |
1 |
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Reactivity |
0 |
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Test |
Specification |
| Assay (C20H22N8O5; Anhydrous Basis) | 98.0-102.0% |
| Specific Rotation | +19° to +24° |
| Chromatographic Purity | To pass test |
| MAXIMUM LIMITS | |
| Water | 12.0% |
| Residue on Ignition | 0.1% |
| Organic Volatile Impurities | To pass test |
|
Shipping Information |
Toxic solid, organic, n.o.s. (methotrexate), 6.1, UN2811, PG III. Additional UPS-imposed hazardous material charge. |
|
UPS limit |
70 lb |
|
Storage Information |
LIGHT SENSITIVE: Keep tightly closed in light-resistant containers. |
Chemical information and descriptions have been provided by Spectrum Chemicals.
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