M-XYLENE-4-SULFONIC ACID SODIUM SALT CAS 827-21-4

Purity 97%+In StockPharmaceutical Standards
CAS No.827-21-4
Molecular FormulaC8H9O3S
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

M-XYLENE-4-SULFONIC ACID SODIUM SALT CAS 827-21-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 208.21 g/mol gives M-XYLENE-4-SULFONIC ACID SODIUM SALT distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

M-XYLENE-4-SULFONIC ACID SODIUM SALT (CAS 827-21-4) is a high-purity analytical reference standard with the molecular formula C8H9O3SNa and a molecular weight of 208.21 g/mol.

Based on its molecular formula C8H9O3SNa, M-XYLENE-4-SULFONIC ACID SODIUM SALT contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 208.21 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.

As a certified reference material (CRM), M-XYLENE-4-SULFONIC ACID SODIUM SALT 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 FormulaC8H9O3S Na
Molecular Weight208.21 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Sulfur Atoms1

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