2-Oxo-1-(thiophen-2-ylmethyl)-1,2-dihydropyridine-3-carboxylic acid CAS 66158-47-2

Purity 97%+In StockPharmaceutical Standards
CAS No.66158-47-2
Molecular FormulaC11H9NO3S
Molecular Weight235.26 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Oxo-1-(thiophen-2-ylmethyl)-1,2-dihydropyridine-3-carboxylic acid CAS 66158-47-2 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-Oxo-1-(thiophen-2-ylmethyl)-1,2-dihydropyridine-3-carboxylic acid.

2-Oxo-1-(thiophen-2-ylmethyl)-1,2-dihydropyridine-3-carboxylic acid (CAS 66158-47-2), molecular formula C11H9NO3S and molecular weight 235.26 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2-Oxo-1-(thiophen-2-ylmethyl)-1,2-dihydropyridine-3-carboxylic acid (C11H9NO3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 235.26 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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 2-Oxo-1-(thiophen-2-ylmethyl)-1,2-dihydropyridine-3-carboxylic acid 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 FormulaC11H9NO3S
Molecular Weight235.26 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1975
Nitrogen Atoms1
Sulfur Atoms1

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