1,3-Dihydrospiro[indene-2,5'-oxazolidin]-2'-one CAS 1490740-58-3

Purity 97%+In StockPharmaceutical Standards
CAS No.1490740-58-3
Molecular FormulaC11H11NO2
Molecular Weight189.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,3-Dihydrospiro[indene-2,5'-oxazolidin]-2'-one CAS 1490740-58-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 189.21 g/mol gives 1,3-Dihydrospiro[indene-2,5'-oxazolidin]-2'-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1,3-Dihydrospiro[indene-2,5'-oxazolidin]-2'-one (CAS 1490740-58-3) is a high-purity analytical reference standard with the molecular formula C11H11NO2 and a molecular weight of 189.21 g/mol.

Based on its molecular formula C11H11NO2, 1,3-Dihydrospiro[indene-2,5'-oxazolidin]-2'-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 189.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 FormulaC11H11NO2
Molecular Weight189.21 g/mol
AppearanceOff-white to pale 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1992
Nitrogen Atoms1

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