4-(4-(tert-Butyl)cyclohexylidene)-2-phenyloxazol-5(4H)-one CAS 93832-76-9

Purity 97%+In StockPharmaceutical Standards
CAS No.93832-76-9
Molecular FormulaC19H23NO2
Molecular Weight297.39 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(4-(tert-Butyl)cyclohexylidene)-2-phenyloxazol-5(4H)-one CAS 93832-76-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 297.39 g/mol gives 4-(4-(tert-Butyl)cyclohexylidene)-2-phenyloxazol-5(4H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-(4-(tert-Butyl)cyclohexylidene)-2-phenyloxazol-5(4H)-one (CAS 93832-76-9), molecular formula C19H23NO2 and molecular weight 297.39 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C19H23NO2, 4-(4-(tert-Butyl)cyclohexylidene)-2-phenyloxazol-5(4H)-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 297.39 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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.

As a certified reference material (CRM), 4-(4-(tert-Butyl)cyclohexylidene)-2-phenyloxazol-5(4H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC19H23NO2
Molecular Weight297.39 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1983
Nitrogen Atoms1

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