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Cinnabarinic acid

Also known as: Cinnabaric Acid, 2-Amino-3-oxo-3H-phenoxazine-1,9-dicarboxylic acid, 2-amino-3-oxophenoxazine-1,9-dicarboxylic acid, 3H-Phenoxazine-1,9-dicarboxylic acid, 2-amino-3-oxo-

Cinnabarinic acid (CAS 606-59-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H8N2O6 and a molecular weight of 300.223 g/mol. Key properties include a melting point of >300ºC, a boiling point of 536.8±50.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 278.4±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
606-59-7
Jingsj CID
J-1986282-9
Molecular Formula
C14H8N2O6
Molecular Weight
300.223 g/mol
Category
Organic Acids
Last updated
11/3/2026

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Physicochemical Properties

Melting Point>300ºC
Boiling Point536.8±50.0 °C at 760 mmHg
Density1.8±0.1 g/cm3
Flash Point278.4±30.1 °C
Exact Mass300.038239
PSA143.72000
LogP-0.13
Vapor Pressure0.0±1.5 mmHg at 25°C
Refractive Index1.780

Activity & Biological Data

TargetmGluR4
Additional Information[1]. F Fazio, et al. Cinnabarinic acid, an endogenous metabolite of the kynurenine pathway, activates type 4 metabotropic glutamate receptors.Mol Pharmacol. 2012 May;81(5):643-56. [2]. Martina Ulivieri, et al. The Trace Kynurenine, Cinnabarinic Acid, Displays Potent Antipsychotic-Like Activity in Mice and Its Levels Are Reduced in the Prefrontal Cortex of Individuals Affected by Schizophrenia. Schizophr Bull. 2020 Jun 7;sbaa074. [3]. Francesco Fazio, et al. Cinnabarinic acid and xanthurenic acid: Two kynurenine metabolites that interact with metabotropic glutamate receptors. Neuropharmacology. 2017 Jan;112(Pt B):365-372.

Frequently Asked Questions

What is the CAS number of Cinnabarinic acid?

The CAS number of Cinnabarinic acid is 606-59-7.

What are the molecular formula and molecular weight of Cinnabarinic acid?

Cinnabarinic acid has molecular formula C14H8N2O6 and molecular weight 300.223 g/mol.

What are the upstream and downstream products of Cinnabarinic acid?

For Cinnabarinic acid, Upstream Products: 3-Hydroxyanthranilic acid, 3-Hydroxy-2-nitrobenzoic acid; Downstream Products: 3-Hydroxyanthranilic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Cinnabarinic acid (CAS 606-59-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1986282-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.