2,3-Dihydrobenzo[b][1,4]dioxine-6-sulfonic acid CAS 127461-51-2

Purity 97%+In StockPharmaceutical Standards
CAS No.127461-51-2
Molecular FormulaC8H8O5S
Molecular Weight216.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,3-Dihydrobenzo[b][1,4]dioxine-6-sulfonic acid CAS 127461-51-2 chemical structure

Description

The occurrence of 2,3-Dihydrobenzo[b][1,4]dioxine-6-sulfonic acid is closely related to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

2,3-Dihydrobenzo[b][1,4]dioxine-6-sulfonic acid (CAS 127461-51-2), molecular formula C8H8O5S and molecular weight 216.21 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2,3-Dihydrobenzo[b][1,4]dioxine-6-sulfonic acid (C8H8O5S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 216.21 g/mol, it falls into the medium-molecular-weight range. 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.

As a certified reference material (CRM), 2,3-Dihydrobenzo[b][1,4]dioxine-6-sulfonic 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 FormulaC8H8O5S
Molecular Weight216.21 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)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1993
Sulfur Atoms1

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