2,3,4,4'-Tetrahydroxybenzophenone1,2-naphthoquinonediazido-5-sulfonate CAS 107761-81-9

Purity 97%+In StockPharmaceutical Standards
CAS No.107761-81-9
Molecular FormulaC23H15N2O8S
Molecular Weight479.44 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,3,4,4'-Tetrahydroxybenzophenone1,2-naphthoquinonediazido-5-sulfonate CAS 107761-81-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 479.44 g/mol gives 2,3,4,4'-Tetrahydroxybenzophenone1,2-naphthoquinonediazido-5-sulfonate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 2,3,4,4'-Tetrahydroxybenzophenone1,2-naphthoquinonediazido-5-sulfonate (CAS 107761-81-9), a certified reference material (molecular formula C23H15N2O8S, MW 479.44 g/mol) for analytical method development and quality control.

Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 2,3,4,4'-Tetrahydroxybenzophenone1,2-naphthoquinonediazido-5-sulfonate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 479.44 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), 2,3,4,4'-Tetrahydroxybenzophenone1,2-naphthoquinonediazido-5-sulfonate 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 FormulaC23H15N2O8S
Molecular Weight479.44 g/mol
Purity97%+
StorageStore in a cool place (≤25°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)17.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms2
Sulfur Atoms1

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