Methotrexate EP Impurity J CAS 34378-65-9

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.34378-65-9
Molecular FormulaC22H26N8O5
Molecular Weight482.49 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Methotrexate EP Impurity J CAS 34378-65-9 chemical structure

Description

Methotrexate EP Impurity J (CAS 34378-65-9) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C22H26N8O5. Molecular weight: 482.49 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC22H26N8O5
Molecular Weight482.49 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>90%
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1966
Nitrogen Atoms8

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