Methotrexate Impurity 32 CAS 82778-08-3

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.82778-08-3
Molecular FormulaC7H7ClN6 HCl
Molecular WeightN/A
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Methotrexate Impurity 32 CAS 82778-08-3 chemical structure

Description

Methotrexate Impurity 32 (CAS 82778-08-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H7ClN6 HCl. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC7H7ClN6 HCl
Molecular Weight247.08 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1980
Halogen ContentCl-containing
Nitrogen Atoms6

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