1-(4-Fluorophenyl)-4-(3-phenyl-1,2,4-oxadiazol-5-yl)pyrrolidin-2-one CAS 941997-60-0

Purity 97%+In StockPharmaceutical Standards
CAS No.941997-60-0
Molecular FormulaC18H14FN3O2
Molecular Weight323.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(4-Fluorophenyl)-4-(3-phenyl-1,2,4-oxadiazol-5-yl)pyrrolidin-2-one CAS 941997-60-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 323.32 g/mol gives 1-(4-Fluorophenyl)-4-(3-phenyl-1,2,4-oxadiazol-5-yl)pyrrolidin-2-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-(4-Fluorophenyl)-4-(3-phenyl-1,2,4-oxadiazol-5-yl)pyrrolidin-2-one (CAS 941997-60-0), molecular formula C18H14FN3O2 and molecular weight 323.32 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution, 1-(4-Fluorophenyl)-4-(3-phenyl-1,2,4-oxadiazol-5-yl)pyrrolidin-2-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 323.32 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures 1-(4-Fluorophenyl)-4-(3-phenyl-1,2,4-oxadiazol-5-yl)pyrrolidin-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 FormulaC18H14FN3O2
Molecular Weight323.32 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)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentF-containing
Nitrogen Atoms3

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