1H-Imidazole-2-sulfonic acid CAS 53744-47-1

Purity 97%+In StockPharmaceutical Standards
CAS No.53744-47-1
Molecular FormulaC3H4N2O3S
Molecular Weight148.14 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1H-Imidazole-2-sulfonic acid CAS 53744-47-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 148.14 g/mol gives 1H-Imidazole-2-sulfonic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 1H-Imidazole-2-sulfonic acid (CAS 53744-47-1), a certified reference material (molecular formula C3H4N2O3S, MW 148.14 g/mol) for analytical method development and quality control.

Based on its molecular formula C3H4N2O3S, 1H-Imidazole-2-sulfonic acid contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 148.14 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 1H-Imidazole-2-sulfonic 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 FormulaC3H4N2O3S
Molecular Weight148.14 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1972
Nitrogen Atoms2
Sulfur Atoms1

Related H Standards

Recommended Standards

Why CATO?