5-(4-Carboxyphenyl)azo-2-hydroxybenzeneacetic acid structure

5-(4-Carboxyphenyl)azo-2-hydroxybenzeneacetic acid

4-[[3-(carboxymethyl)-4-hydroxyphenyl]diazenyl]benzoic acid

Also Known As: PH CK 61A|PH-CK-61A|5- azo-2-hydroxybenzeneaceticacid|CK-61A|5-(4-Carboxyphenyl)azo-2-hydroxybenzeneacetic acid|5-[(4-Carboxyphenyl)azo]-2-hydroxybenzeneacetic acid|Benzeneacetic acid, 5-((4-carboxyphenyl)azo)-2-hydroxy-|Benzeneacetic acid,5-[2-(4-carboxyphenyl)diazenyl]-2-hydroxy-|4-{2-[3-(CARBOXYMETHYL)-4-HYDROXYPHENYL]DIAZEN-1-YL}BENZOIC ACID|4-[(2E)-2-[3-(carboxymethyl)-4-oxo-1-cyclohexa-2,5-dienylidene]hydrazinyl]benzoic acid

CAS: 78028-03-2
Molecular Formula C15H12N2O5
Molecular Weight 300.07462 g/mol
LogP 2.3
Topological Polar Surface Area 120.0 Ų
Hydrogen Bond Donors 3
Hydrogen Bond Acceptors 7
Rotatable Bonds 5
Exact Mass 300.07462
Monoisotopic Mass 300.07462
Heavy Atoms 22
Complexity 432.0

Chemical Identifiers

CAS Number 78028-03-2
SMILES C1=CC(=CC=C1C(=O)O)N=NC2=CC(=C(C=C2)O)CC(=O)O
InChIKey RHNPFRKIVQHCDY-UHFFFAOYSA-N

Patent-Derived Application Labels

Derived from 4 IPC patent classification(s) across the SureChEMBL global patent database.

Dyes & Pigments (2 patents) Heterocyclic Building Blocks (8 patents) Organic Building Blocks (3 patents) Pharmaceutical Intermediates (3 patents)

Product Overview

5-(4-Carboxyphenyl)azo-2-hydroxybenzeneacetic acid (CAS 78028-03-2), with molecular formula C15H12N2O5 and molecular weight 300.07462 g/mol. IUPAC: 4-[[3-(carboxymethyl)-4-hydroxyphenyl]diazenyl]benzoic acid.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
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