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

2,3,4,4'-Tetrahydroxybenzophenone1,2-naphthoquinonediazido-5-sulfonate (CAS 107761-81-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C23H15N2O8S. Molecular weight: 479.44 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

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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