(3S,4R)-1-Benzyl-3-(2-chloroethyl)-4-phenylazetidin-2-one CAS 1378029-49-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1378029-49-2
Molecular FormulaC18H18ClNO
Molecular Weight299.79 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(3S,4R)-1-Benzyl-3-(2-chloroethyl)-4-phenylazetidin-2-one CAS 1378029-49-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 299.79 g/mol gives (3S,4R)-1-Benzyl-3-(2-chloroethyl)-4-phenylazetidin-2-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies (3S,4R)-1-Benzyl-3-(2-chloroethyl)-4-phenylazetidin-2-one (CAS 1378029-49-2), a certified reference material (molecular formula C18H18ClNO, MW 299.79 g/mol) for analytical method development and quality control.

Based on its molecular formula C18H18ClNO, (3S,4R)-1-Benzyl-3-(2-chloroethyl)-4-phenylazetidin-2-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 299.79 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

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 FormulaC18H18ClNO
Molecular Weight299.79 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Halogen ContentCl-containing
Nitrogen Atoms1

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