Citalopram EP Impurity B (Escitalopram EP Impurity B ) CAS 411221-53-9

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.411221-53-9
Molecular FormulaC20H21FN2O2
Molecular Weight340.39 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Citalopram EP Impurity B (Escitalopram EP Impurity B ) CAS 411221-53-9 chemical structure

Description

Citalopram EP Impurity B (Escitalopram EP Impurity B ) (CAS 411221-53-9) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C20H21FN2O2. Molecular weight: 340.39 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC20H21FN2O2
Molecular Weight340.39 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity>95%
StorageStore at 2-8°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.)2025
Halogen ContentF-containing
Nitrogen Atoms2

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