4-[4-(1-hydroxyethyl)benzenesulfonamido]benzoic acid CAS 771499-99-1

Purity 97%+In StockPharmaceutical Standards
CAS No.771499-99-1
Molecular FormulaC15H15NO5S
Molecular Weight321.35 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-[4-(1-hydroxyethyl)benzenesulfonamido]benzoic acid CAS 771499-99-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 321.35 g/mol gives 4-[4-(1-hydroxyethyl)benzenesulfonamido]benzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 4-[4-(1-hydroxyethyl)benzenesulfonamido]benzoic acid (CAS 771499-99-1), a certified reference material (molecular formula C15H15NO5S, MW 321.35 g/mol) for analytical method development and quality control.

Based on its molecular formula C15H15NO5S, 4-[4-(1-hydroxyethyl)benzenesulfonamido]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 321.35 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 4-[4-(1-hydroxyethyl)benzenesulfonamido]benzoic 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 FormulaC15H15NO5S
Molecular Weight321.35 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1986
Nitrogen Atoms1
Sulfur Atoms1

Related hydroxyethyl Standards

Recommended Standards

Why CATO?