(3S,7AR)-3-isopropyl-7a-methyltetrahydropyrrolo[2,1-b]oxazol-5(6H)-one CAS 98203-44-2

Purity 97%+In StockPharmaceutical Standards
CAS No.98203-44-2
Molecular FormulaC10H17NO2
Molecular Weight183.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(3S,7AR)-3-isopropyl-7a-methyltetrahydropyrrolo[2,1-b]oxazol-5(6H)-one CAS 98203-44-2 chemical structure

Description

As a certified reference material (CRM), (3S,7AR)-3-isopropyl-7a-methyltetrahydropyrrolo[2,1-b]oxazol-5(6H)-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.

(3S,7AR)-3-isopropyl-7a-methyltetrahydropyrrolo[2,1-b]oxazol-5(6H)-one (CAS 98203-44-2) is a high-purity analytical reference standard with the molecular formula C10H17NO2 and a molecular weight of 183.25 g/mol.

Based on its molecular formula C10H17NO2, (3S,7AR)-3-isopropyl-7a-methyltetrahydropyrrolo[2,1-b]oxazol-5(6H)-one contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 183.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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.

Physical & Chemical Properties

Molecular FormulaC10H17NO2
Molecular Weight183.25 g/mol
AppearanceWhite to pale yellow crystalline powder. (faint amine-like odor)
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)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1985
Nitrogen Atoms1

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