1H-Imidazole-4-sulfinic acid, 1-methyl-, sodium salt (1:1) CAS 1861353-54-9

Purity 97%+In StockPharmaceutical Standards
CAS No.1861353-54-9
Molecular FormulaC4H5N2NaO2S
Molecular Weight168.15 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1H-Imidazole-4-sulfinic acid, 1-methyl-, sodium salt (1:1) CAS 1861353-54-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 168.15 g/mol gives 1H-Imidazole-4-sulfinic acid, 1-methyl-, sodium salt (1:1) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 1H-Imidazole-4-sulfinic acid, 1-methyl-, sodium salt (1:1) (CAS 1861353-54-9), a certified reference material (molecular formula C4H5N2NaO2S, MW 168.15 g/mol) for analytical method development and quality control.

Structurally, 1H-Imidazole-4-sulfinic acid, 1-methyl-, sodium salt (1:1) (C4H5N2NaO2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.5, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 168.15 g/mol, it falls into the medium-molecular-weight range. 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-4-sulfinic acid, 1-methyl-, sodium salt (1:1) 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 FormulaC4H5N2NaO2S
Molecular Weight168.15 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)3.5
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1995
Nitrogen Atoms2
Sulfur Atoms1

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