137644-29-2 6-hydroxy-5-sulfonaphthalene-2-carboxylic acid TS-00876 CAS 137644-29-2

Purity 97%+In StockPharmaceutical Standards
CAS No.137644-29-2
Molecular FormulaC11H8O6S
Molecular Weight268.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

137644-29-2
6-hydroxy-5-sulfonaphthalene-2-carboxylic acid
TS-00876 CAS 137644-29-2 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 137644-29-2 6-hydroxy-5-sulfonaphthalene-2-carboxylic acid TS-00876.

137644-29-2 6-hydroxy-5-sulfonaphthalene-2-carboxylic acid TS-00876 (CAS 137644-29-2) is a high-purity analytical reference standard with the molecular formula C11H8O6S and a molecular weight of 268.24 g/mol.

Structurally, 137644-29-2 6-hydroxy-5-sulfonaphthalene-2-carboxylic acid TS-00876 (C11H8O6S) 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 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 268.24 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 137644-29-2 6-hydroxy-5-sulfonaphthalene-2-carboxylic acid TS-00876 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 FormulaC11H8O6S
Molecular Weight268.24 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1996
Sulfur Atoms1

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