Amlodipine Impurity N21 CAS 2170111-18-7

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.2170111-18-7
Molecular FormulaC19H23ClN2O5
Molecular Weight394.85 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Amlodipine Impurity N21 CAS 2170111-18-7 chemical structure

Description

CATO supplies Amlodipine Impurity N21 (CAS 2170111-18-7), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H23ClN2O5. Molecular weight: 394.85 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC19H23ClN2O5
Molecular Weight394.85 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1998
Halogen ContentCl-containing
Nitrogen Atoms2

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