3-Methyl-3,4-dihydroquinolin-2(1H)-one CAS 31883-79-1

Purity 97%+In StockPharmaceutical Standards
CAS No.31883-79-1
Molecular FormulaC10H11NO
Molecular Weight161.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Methyl-3,4-dihydroquinolin-2(1H)-one CAS 31883-79-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 161.20 g/mol gives 3-Methyl-3,4-dihydroquinolin-2(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-Methyl-3,4-dihydroquinolin-2(1H)-one (CAS 31883-79-1), molecular formula C10H11NO and molecular weight 161.20 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C10H11NO, 3-Methyl-3,4-dihydroquinolin-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 161.20 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.

CATO manufactures 3-Methyl-3,4-dihydroquinolin-2(1H)-one 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 FormulaC10H11NO
Molecular Weight161.20 g/mol
AppearanceOff-white 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
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1966
Nitrogen Atoms1

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