(4S)-4,5-Dihydro-2,4,5,5-tetraphenyloxazole CAS 2271168-31-9

Purity 97%+In StockPharmaceutical Standards
CAS No.2271168-31-9
Molecular FormulaC27H21NO
Molecular Weight375.46 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(4S)-4,5-Dihydro-2,4,5,5-tetraphenyloxazole CAS 2271168-31-9 chemical structure

Description

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.

(4S)-4,5-Dihydro-2,4,5,5-tetraphenyloxazole (CAS 2271168-31-9) is a high-purity analytical reference standard with the molecular formula C27H21NO and a molecular weight of 375.46 g/mol.

Structurally, (4S)-4,5-Dihydro-2,4,5,5-tetraphenyloxazole (C27H21NO) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 375.46 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

CATO manufactures (4S)-4,5-Dihydro-2,4,5,5-tetraphenyloxazole 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 FormulaC27H21NO
Molecular Weight375.46 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
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)18.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1998
Nitrogen Atoms1

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