Aprepitant Impurity 33 CAS 219821-37-1

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.219821-37-1
Molecular FormulaC24H25F7N4O4
Molecular Weight566.47 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Aprepitant Impurity 33 CAS 219821-37-1 chemical structure

Description

Aprepitant Impurity 33 (CAS 219821-37-1) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C24H25F7N4O4. Molecular weight: 566.47 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC24H25F7N4O4
Molecular Weight566.47 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2019
Halogen ContentF-containing
Nitrogen Atoms4

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