4-(4′-Hydroxyphenylazo)benzoic acid CAS 105299-45-4

Purity 97%+In StockPharmaceutical Standards
CAS No.105299-45-4
Molecular FormulaC13H10N2O3
Molecular Weight242.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(4′-Hydroxyphenylazo)benzoic acid CAS 105299-45-4 chemical structure

Description

CATO supplies 4-(4′-Hydroxyphenylazo)benzoic acid (CAS 105299-45-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H10N2O3. Molecular weight: 242.23 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC13H10N2O3
Molecular Weight242.23 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms2

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