HomeMCPWorkbenchSkills
HomeWorkbenchNotificationsMe
Huagongshe Open Program:[email protected]AI access: llms.txt · MCP GuidePrivacy Policy · Terms of Service · Supportv1.7.8
Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 86Generated: October 27, 2026

3-Hydroxyanthranilic Acid

2-AMINO-3-HYDROXYBENZOIC ACID · 3-HYDROXY-ANTHRANILATE · 3-HYDROXYANTHRANILLIC ACID · 3-Ohaa · NSC 522891 · JACS-548-93-6 · 3-oxyanthranilicacid · 3-Oxyanthranilic acid

https://huagongshe.com/en/chemical/86

3-Hydroxyanthranilic Acid molecular structure

Identifiers & Physical Properties

CAS No.548-93-6
Molecular formulaC7H7NO3
Average molar mass153.14 g/mol
Monoisotopic mass153.04259308 g/mol
SMILESNc1c(O)cccc1C(=O)O
InChIKeyWJXSWCUQABXPFS-UHFFFAOYSA-N
PubChem CID86
ChEMBLCHEMBL445304
ChEBICHEBI:15793
EC No.208-962-5
DTXSIDDTXSID40203290

Chemical & Physical Properties

XLogP0.9
Topological polar surface area83.6
Hydrogen bond donors3
Hydrogen bond acceptors4
Rotatable bonds1
Heavy atoms11
Formal charge0
Complexity160
DrugsPharmaceuticals -> Listed in ZINC15
Color/FormLEAFLETS IN WATER
SolubilitySLIGHTLY SOL IN WATER, SOL IN HOT WATER, ALCOHOL, ETHERSOL IN CHLOROFORMDMSO (Slightly), Methanol (Slightly, Heated)
Melting point164 °C240 °C (dec.)(lit.)
Physical DescriptionSolid
Collision Cross Section131.2 Ų [M+H]+ [CCS Type: DTMethod: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]131.3 Ų [M+H]+
Boiling point276.03°C (rough estimate)
Density1.3585 (rough estimate)
Refractive index1.5500 (estimate)
Storage conditionsKeep in dark place,Sealed in dry,Room Temperature
Physical stateLiquid or Low Melting Solid
pKa (acidity coefficient)pK1: 2.5(+1)pK2: 5.192(0)pK3: 10.118(OH) (25°C)
ColorClear colorless to white to yellow to orange
Major applicationspeptide synthesis
InChIInChI=1S/C7H7NO3/c8-6-4(7(10)11)2-1-3-5(6)9/h1-3,9H,8H2,(H,10,11)
InChIKeyWJXSWCUQABXPFS-UHFFFAOYSA-N
SMILESC(O)(=O)C1=CC=CC(O)=C1N
CAS DataBase Reference548-93-6(CAS DataBase Reference)
FDA UNII1UQB1BT4OT
UNSPSC Code12352106
NACRESNA.22
GHS pictogramGHS07,GHS08
Signal wordWarning
GHS hazard statementsH302+H312+H332-H315-H319-H335-H351
GHS precautionary statementsP280-P301+P312-P302+P352+P312-P304+P340+P312-P305+P351+P338-P308+P313
Target organsRespiratory system
Personal protective equipment (PPE)dust mask type N95 (US), Eyeshields, Gloves
Hazard symbolsXn
Risk statements (R)20/21/22-36/37/38-40
Safety statements (S)22-26-36
Water hazard class (WGK)3
RTECS numberDG2625000
Customs code29225000
Storage class11 - Combustible Solids
Hazard classAcute Tox. 4 DermalAcute Tox. 4 InhalationAcute Tox. 4 OralCarc. 2Eye Irrit. 2Skin Irrit. 2STOT SE 3
Hazardous substances data548-93-6(Hazardous Substances Data)

Safety & Regulations

GHS classificationWarningH302 (97.6%): Harmful if swallowed [Warning Acute toxicity, oral]P203, P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P318, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 41 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesAcute Tox. 4 (97.6%)
InteractionsTRYPTOPHAN ADMIN RAISED OUTPUT OF FREE FORM /OF 3-HYDROXYANTHRANILIC ACID/ PRINCIPALLY IN HUMAN URINE...EFFECT OF CIGARETTE SMOKING ON (CARCINOGEN) 3-HYDROXY ANTHRANILIC ACID EXCRETION WAS STUDIED ON 20 NORMAL INDIVIDUALS IN FASTING STATE. SMOKING INCR EXCRETION OF THIS METABOLITE IN URINE SIGNIFICANTLY.
Human Toxicity ExcerptsSINCE FREE FORM WITH CARCINOGENIC POTENTIAL WAS EXCRETED...& INCR ONLY IN SUBJECTS TREATED WITH TRYPTOPHAN, RELATIONSHIP /WITH/...CARCINOGENESIS... RELEVANT TO MAN. ... INTAKE OF TRYPTOPHAN &/OR RATE OF TRYPTOPHAN METAB... IMPORTANT, SINCE RATES OF HYDROLYSIS OF 3-HYDROXYANTHRANILIC ACID CONJUGATES ARE TOO SLOW...PATTERNS OF URINARY EXCRETION OF FREE & CONJUGATED FORMS OF 3-HYDROXYANTHRANILIC ACID CHANGE STRIKINGLY IN DIFFERENT SPECIES OF MAMMALS, & THIS MAY BE IMPORTANT SINCE 3-HYDROXYANTHRANILIC ACID, A TRYPTOPHAN METABOLITE, IS SUSPECTED OF CAUSING BLADDER CANCER.THE POSSIBLE ROLE OF ENDOGENOUS TRYPTOPHAN METABOLITES & OF 1 TYROSINE METABOLITE IN INDUCING BLADDER CANCER IN HUMANS IS DISCUSSED.
Non-Human Toxicity Excerpts...REPORTED TO INDUCE CHROMATID BREAKS IN CULTURED HUMAN EMBRYO CELLS @ CONCN OF 30 MG/L. ONE CHROMOSOME TRANSLOCATION WAS OBSERVED IN 338 METAPHASE CELLS EXAMINEDNONE WERE SEEN IN 300 CONTROL METAPHASE CELLS.CARCINOGENIC EFFECT WAS SHOWN BY 3-HYDROXYANTHRANILIC ACID IMPLANTED INTO THE BLADDER WALL IN MICE.RESULTS DID NOT SUPPORT HYPOTHESIS THAT TRYPTOPHAN METABOLITES PRODUCED BY INTESTINAL MICROFLORA ARE MAJOR ETIOLOGIC FACTORS IN CANCER OF COLON, THEY WERE NEG IN AMES TEST.3-HYDROXYANTHRANILIC ACID ADMIN SC TO MICE @ 2.5 MG TWICE WEEKLY FOR 10 WK INDUCED TUMORS IN THE URINARY BLADDER.PRESENCE OF 20% 3-HYDROXYANTHRANILIC ACID IN THE PELLETS MADE NO CHANGE IN THE INCIDENCE OF TUMORS.
Probable Routes of Human ExposureHYDROXYANTHRANILIC ACID WAS FOUND IN BOTH SERUM & BLOOD CLOTS OF WORKERS CONTACTING ANILINE DYES.
Personal protective equipment (PPE)dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK)3
RTECS numberDG2625000
Customs code29225000
Risk statements (R)20/21/22-36/37/38-40
Signal wordWarning
GHS pictogramGHS07,GHS08
Hazard symbolsXn
Safety statements (S)22-26-36
Storage class11 - Combustible Solids
Target organsRespiratory system
GHS hazard statementsH302+H312+H332-H315-H319-H335-H351
Hazard classAcute Tox. 4 DermalAcute Tox. 4 InhalationAcute Tox. 4 OralCarc. 2Eye Irrit. 2Skin Irrit. 2STOT SE 3
GHS precautionary statementsP280-P301+P312-P302+P352+P312-P304+P340+P312-P305+P351+P338-P308+P313
Hazardous substances data548-93-6(Hazardous Substances Data)

Applications & Uses

Uses

3-Hydroxyanthranilic Acid is one of the tryptophan’s metabolites along the kynurenine pathway. 3-Hydroxyanthranilic Acid has been shown to induce apoptosis in T cells.