1-{4-[1-(4-chlorophenyl)-1H-pyrazol-5-yl]phenyl}-3,3-dimethylazetidin-2-one CAS 321998-75-8

Purity 97%+In StockPharmaceutical Standards
CAS No.321998-75-8
Molecular FormulaC20H18ClN3O
Molecular Weight351.83 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-{4-[1-(4-chlorophenyl)-1H-pyrazol-5-yl]phenyl}-3,3-dimethylazetidin-2-one CAS 321998-75-8 chemical structure

Description

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO supplies 1-{4-[1-(4-chlorophenyl)-1H-pyrazol-5-yl]phenyl}-3,3-dimethylazetidin-2-one (CAS 321998-75-8), a certified reference material (molecular formula C20H18ClN3O, MW 351.83 g/mol) for analytical method development and quality control.

1-{4-[1-(4-chlorophenyl)-1H-pyrazol-5-yl]phenyl}-3,3-dimethylazetidin-2-one (C20H18ClN3O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

CATO manufactures 1-{4-[1-(4-chlorophenyl)-1H-pyrazol-5-yl]phenyl}-3,3-dimethylazetidin-2-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC20H18ClN3O
Molecular Weight351.83 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms3

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