Esmolol Impurity N1 CAS 50666-68-7

Purity 80%In StockPharmacopoeial Impurity Standards
CAS No.50666-68-7
Molecular FormulaC6H14ClNO
Molecular Weight151.63 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Esmolol Impurity N1 CAS 50666-68-7 chemical structure

Description

As a process- or degradation-related impurity, Esmolol Impurity N1 (CAS 50666-68-7, C6H14ClNO) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.

Owing to an amide group, a hydroxyl group, an ether linkage, chlorine substitution, Esmolol Impurity N1 is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 151.63 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC6H14ClNO
Molecular Weight151.63 g/mol
Purity80%
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)0.0
CAS Registry Year (est.)1971
Halogen ContentCl-containing
Nitrogen Atoms1

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