19006-81-6 2-Hydroxy-4-phenylpyridine 4-phenylpyridin-2(1H)-one CAS 19006-81-6

Purity 97%+In StockPharmaceutical Standards
CAS No.19006-81-6
Molecular FormulaC11H9NO
Molecular Weight171.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

19006-81-6
2-Hydroxy-4-phenylpyridine
4-phenylpyridin-2(1H)-one CAS 19006-81-6 chemical structure

Description

19006-81-6 2-Hydroxy-4-phenylpyridine 4-phenylpyridin-2(1H)-one (CAS 19006-81-6), molecular formula C11H9NO and molecular weight 171.20 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C11H9NO, 19006-81-6 2-Hydroxy-4-phenylpyridine 4-phenylpyridin-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 171.20 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.

CATO manufactures 19006-81-6 2-Hydroxy-4-phenylpyridine 4-phenylpyridin-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 FormulaC11H9NO
Molecular Weight171.20 g/mol
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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962
Nitrogen Atoms1

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