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Sigma-Aldrich

3-Hydroxyanthranilic acid

97%, for peptide synthesis

Synonym(s):

2-Amino-3-hydroxybenzoic acid

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About This Item

Linear Formula:
HOC6H3(NH2)CO2H
CAS Number:
548-93-6
Molecular Weight:
153.14
EC Number:
208-962-5
MDL number:
MFCD00007700
UNSPSC Code:
12352106
PubChem Substance ID:
24848918
NACRES:
NA.22

product name

3-Hydroxyanthranilic acid, 97%

Assay

97%

form

solid

reaction suitability

reaction type: solution phase peptide synthesis

mp

240 °C (dec.) (lit.)

application(s)

peptide synthesis

SMILES string

Nc1c(O)cccc1C(O)=O

InChI

1S/C7H7NO3/c8-6-4(7(10)11)2-1-3-5(6)9/h1-3,9H,8H2,(H,10,11)

InChI key

WJXSWCUQABXPFS-UHFFFAOYSA-N

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General description

3-Hydroxyanthranilic acid is an aminobenzoic acid commonly used as an intermediate in various chemical reactions.

Application

<ul>
<li><strong>Direct enzyme inhibition to mitigate quinolinic acid formation:</strong> Used to synthesize 2-amino-3-carboxymuconic semialdehyde (ACMS) during the kynurenine pathway of Tryptophan catabolism (Sanz et al., 2022).</li>
</ul>

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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NO scavenging by 3-hydroxyanthranilic acid and 3-hydroxykynurenine: N-nitrosation leads via oxadiazoles to o-quinone diazides
C Backhaus, et al.
Nitric Oxide, 19, 237-244 (2008)
Lei Zhang et al.
European heart journal, 33(16), 2025-2034 (2012-06-20)
Cardiovascular disease is the most common cause of death in the world and atherosclerosis, an inflammatory process in the vessel wall, accounts for the majority of these deaths. The tryptophan metabolite 3-hydroxyanthranilic acid (3-HAA) has been shown to inhibit inflammation
E R Werner et al.
Biological chemistry Hoppe-Seyler, 366(1), 99-102 (1985-01-01)
3-Hydroxyanthranilic acid was identified in lymphocyte cultures during allogeneic stimulation. The metabolite and the synthetic product have identical HPLC retention times, fluorescence spectra, fluorescence intensities as a function of pH value and electrochemical behaviour.
F A Teulings et al.
Acta vitaminologica et enzymologica, 29(1-6), 108-112 (1975-01-01)
In comparison with healthy age- and sex-comparable subjects, a significantly higher concentration of unconjugated 3-hydroxyanthranilic acid was detected in the urine of untreated bladder and kidney carcinoma patients. Because of tryptophan metabolite 3-hydroxyanthranilic acid is suspected to be involved in
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