Methotrexate, USP

Molecular Formula
C20H22N8O5
Catalog Number
M1435
Supplier/Brand
Spectrum Chemical
CAS Number
59-05-2

Methotrexate, USP is used to treat certain types of cancer or to control severe psoriasis or rheumatoid arthritis that has not responded to other treatments. All Spectrum Chemical USP products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP) per 21CFR part 211 in FDA registered and inspected facilities.


Synonyms: 4-Amino-10-methylfolic Acid ; (+)-Amethopterin

Shipping Information

DOT: UN2811, Toxic solid, organic, n.o.s. (methotrexate), 6.1, PG III

Largest individual container shippable via:
UPS/FedEx Ground: 25 kg    UPS Air: 25 kg    FedEx Air: 200 kg

Additional UPS-imposed hazardous material charge.
Tariff No. 2933595300

prop65WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Storage Information

LIGHT SENSITIVE: Keep tightly closed in light-resistant containers.

Certificates of Analysis

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2023