1-Propyl-3,4-dihydroquinoxalin-2(1H)-one CAS 66366-87-8

Purity 97%+In StockPharmaceutical Standards
CAS No.66366-87-8
Molecular FormulaC11H14N2O
Molecular Weight190.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Propyl-3,4-dihydroquinoxalin-2(1H)-one CAS 66366-87-8 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.

1-Propyl-3,4-dihydroquinoxalin-2(1H)-one (CAS 66366-87-8) is a high-purity analytical reference standard with the molecular formula C11H14N2O and a molecular weight of 190.24 g/mol.

Based on its molecular formula C11H14N2O, 1-Propyl-3,4-dihydroquinoxalin-2(1H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 190.24 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.

As a certified reference material (CRM), 1-Propyl-3,4-dihydroquinoxalin-2(1H)-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 FormulaC11H14N2O
Molecular Weight190.24 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1975
Nitrogen Atoms2

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