Quinolinic acid

Modify Date: 2026-06-30 09:36:11

Quinolinic acid Structure
Quinolinic acid structure
Common Name Quinolinic acid
CAS Number 89-00-9 Molecular Weight 167.119
Density 1.6±0.1 g/cm3 Boiling Point 425.0±30.0 °C at 760 mmHg
Molecular Formula C7H5NO4 Melting Point 188-190ºC
MSDS Chinese USA Flash Point 210.9±24.6 °C
Symbol GHS07
GHS07
Signal Word Warning

 Use of Quinolinic acid


Quinolinic acid is an endogenous N-methyl-D-aspartate receptor agonist synthesized from L-tryptophan via the kynurenine pathway and thereby has the potential of mediating N-methyl-D-aspartate neuronal damage and dysfunction.

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name quinolinic acid
Synonym More Synonyms

 Quinolinic acid Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description Quinolinic acid is an endogenous N-methyl-D-aspartate receptor agonist synthesized from L-tryptophan via the kynurenine pathway and thereby has the potential of mediating N-methyl-D-aspartate neuronal damage and dysfunction.
Related Catalog
Target

Human Endogenous Metabolite

References

[1]. Heyes MP, et al. Quinolinic acid and kynurenine pathway metabolism in inflammatory and non-inflammatory neurological disease. Brain. 1992 Oct;115 ( Pt 5):1249-73.

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.6±0.1 g/cm3
Boiling Point 425.0±30.0 °C at 760 mmHg
Melting Point 188-190ºC
Molecular Formula C7H5NO4
Molecular Weight 167.119
Flash Point 210.9±24.6 °C
Exact Mass 167.021851
PSA 87.49000
LogP -1.44
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.628
InChIKey GJAWHXHKYYXBSV-UHFFFAOYSA-N
SMILES O=C(O)c1cccnc1C(=O)O
Storage condition Store at RT
Water Solubility 0.55 g/100 mL

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
US7967250
CHEMICAL NAME :
2,3-Pyridinedicarboxylic acid
CAS REGISTRY NUMBER :
89-00-9
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C7-H5-N-O4
MOLECULAR WEIGHT :
167.13

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
1050 mg/kg
SEX/DURATION :
female 1-21 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - biochemical and metabolic
REFERENCE :
ETPAEK Experimental and Toxicologic Pathology. (Gustav Fischer Verlag Jena, Postfach 100537, D-07705 Jena, Germany) V.44- 1992- Volume(issue)/page/year: 46,323,1994

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H319-H335
Precautionary Statements P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant
Risk Phrases R36/37/38
Safety Phrases S24/25
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS US7967250
HS Code 29333999

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2933399090
Summary 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles110

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

The CB₁ cannabinoid receptor signals striatal neuroprotection via a PI3K/Akt/mTORC1/BDNF pathway.

Cell Death Differ. 22 , 1618-29, (2015)

The CB1 cannabinoid receptor, the main molecular target of endocannabinoids and cannabis active components, is the most abundant G protein-coupled receptor in the mammalian brain. In particular, the C...

Activation of the kynurenine pathway and increased production of the excitotoxin quinolinic acid following traumatic brain injury in humans.

J. Neuroinflammation 12 , 110, (2015)

During inflammation, the kynurenine pathway (KP) metabolises the essential amino acid tryptophan (TRP) potentially contributing to excitotoxicity via the release of quinolinic acid (QUIN) and 3-hydrox...

Age-related reference values for urinary organic acids in a healthy Turkish pediatric population.

Clin. Chem. 40(6) , 862-6, (1994)

Organic acid concentrations were quantified by gas chromatography and the individual acids identified by mass spectrometry in urine specimens from a healthy Turkish pediatric population of ages 2 days...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

2,3-Pyridinedicarboxylic acid
MFCD00006295
EINECS 201-874-8
Quinolinic acid
UNII-F6F0HK1URN
T6NJ BVQ CVQ
Pyridine-2,3-dicarboxylic acid

 Quinolinic acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the SMILES notation of quinolinic acid?
A: SMILES notation of quinolinic acid is O=C(O)c1cccnc1C(=O)O.
Q: How is the water solubility of quinolinic acid?
A: Water solubility of quinolinic acid: 0.55 g/100 mL.
Q: What is the polar surface area (PSA) of quinolinic acid?
A: Polar surface area (PSA) of quinolinic acid is 87.49000.
Q: What English synonyms does quinolinic acid have?
A: English synonyms of quinolinic acid: 2,3-Pyridinedicarboxylic acid, MFCD00006295, EINECS 201-874-8, Quinolinic acid, UNII-F6F0HK1URN, T6NJ BVQ CVQ, Pyridine-2,3-dicarboxylic acid.
Q: What is the molecular weight of quinolinic acid?
A: Molecular weight of quinolinic acid is 167.119.
Q: What are the downstream products of quinolinic acid?
A: Related downstream products(CAS) of quinolinic acid: 4430-77-7;36052-27-4;321-02-8;4664-00-0;498-95-3;82949-15-3;4043-87-2;18970-62-2;59-67-6;98-92-0.
Q: What is the boiling point of quinolinic acid?
A: Boiling point of quinolinic acid is 425.0±30.0 °C at 760 mmHg.
Q: What are the storage conditions for quinolinic acid?
A: Storage conditions for quinolinic acid: Store at RT.
Q: What is the melting point of quinolinic acid?
A: Melting point of quinolinic acid is 188-190ºC.
Q: What is the LogP of quinolinic acid?
A: LogP of quinolinic acid is -1.44.

 Quinolinic acidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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