4-Methoxy-3-{[2-(pyridin-2-yl)ethyl]sulfamoyl}benzoic acid CAS 565166-70-3

Purity 97%+In StockPharmaceutical Standards
CAS No.565166-70-3
Molecular FormulaC15H16N2O5S
Molecular Weight336.36 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Methoxy-3-{[2-(pyridin-2-yl)ethyl]sulfamoyl}benzoic acid CAS 565166-70-3 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.

4-Methoxy-3-{[2-(pyridin-2-yl)ethyl]sulfamoyl}benzoic acid (CAS 565166-70-3) is a high-purity analytical reference standard with the molecular formula C15H16N2O5S and a molecular weight of 336.36 g/mol.

Based on its molecular formula C15H16N2O5S, 4-Methoxy-3-{[2-(pyridin-2-yl)ethyl]sulfamoyl}benzoic acid contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 336.36 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.

As a certified reference material (CRM), 4-Methoxy-3-{[2-(pyridin-2-yl)ethyl]sulfamoyl}benzoic acid 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 FormulaC15H16N2O5S
Molecular Weight336.36 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1984
Nitrogen Atoms2
Sulfur Atoms1

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