3-(4-Chlorophenyl)-5-(1-((4-chlorophenyl)sulfonyl)pyrrolidin-2-yl)-1,2,4-oxadiazole CAS 478045-79-3

Purity 97%+In StockPharmaceutical Standards
CAS No.478045-79-3
Molecular FormulaC18H15Cl2N3O3S
Molecular Weight424.30 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(4-Chlorophenyl)-5-(1-((4-chlorophenyl)sulfonyl)pyrrolidin-2-yl)-1,2,4-oxadiazole CAS 478045-79-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 424.30 g/mol gives 3-(4-Chlorophenyl)-5-(1-((4-chlorophenyl)sulfonyl)pyrrolidin-2-yl)-1,2,4-oxadiazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-(4-Chlorophenyl)-5-(1-((4-chlorophenyl)sulfonyl)pyrrolidin-2-yl)-1,2,4-oxadiazole (CAS 478045-79-3), molecular formula C18H15Cl2N3O3S and molecular weight 424.30 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution, 3-(4-Chlorophenyl)-5-(1-((4-chlorophenyl)sulfonyl)pyrrolidin-2-yl)-1,2,4-oxadiazole is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 424.30 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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.

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 FormulaC18H15Cl2N3O3S
Molecular Weight424.30 g/mol
Purity97%+
StorageStore in a cool place (≤25°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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms3
Sulfur Atoms1

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