Methotrexate EP Impurity A CAS 945-24-4

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.945-24-4
Molecular FormulaC7H8N6O
Molecular Weight192.18 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Methotrexate EP Impurity A CAS 945-24-4 chemical structure

Description

High-purity Methotrexate EP Impurity A (CAS 945-24-4) pharmacopoeial impurity standards reference standard. Molecular formula: C7H8N6O. Molecular weight: 192.18 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC7H8N6O
Molecular Weight192.18 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
Purity>95%
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms6

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