Lapatinib Impurity 21 CAS 2172855-57-9

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.2172855-57-9
Molecular FormulaC55H43Cl2F2N7O6S
Molecular Weight1038.94 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Lapatinib Impurity 21 CAS 2172855-57-9 chemical structure

Description

CATO supplies Lapatinib Impurity 21 (CAS 2172855-57-9), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C55H43Cl2F2N7O6S. Molecular weight: 1038.94 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC55H43Cl2F2N7O6S
Molecular Weight1038.94 g/mol
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)36.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1998
Halogen ContentF/Cl-containing
Nitrogen Atoms7
Sulfur Atoms1

Related Lapatinib Standards

Recommended Standards

Why CATO?