Erlotinib impurity 140 CAS 2055840-41-8

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.2055840-41-8
Molecular FormulaC20H22BrN3O4 HCl
Molecular WeightN/A
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Erlotinib impurity 140 CAS 2055840-41-8 chemical structure

Description

Erlotinib impurity 140 (CAS 2055840-41-8) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C20H22BrN3O4 HCl. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC20H22BrN3O4 HCl
Molecular Weight484.77 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1997
Halogen ContentCl/Br-containing
Nitrogen Atoms3

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