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7-Chloro-9-oxo-9H-indeno[1,2-b]pyrazine-2,3-dicarbonitrile

Also known as: HBX 41108, HBX-41108, HBX41108, 7-chloro-9-oxoindeno[1,2-b]pyrazine-2,3-dicarbonitrile, 9H-Indeno[1,2-b]pyrazine-2,3-dicarbonitrile, 7-chloro-9-oxo-, CS-1900

7-Chloro-9-oxo-9H-indeno[1,2-b]pyrazine-2,3-dicarbonitrile (CAS 924296-39-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H3ClN4O and a molecular weight of 266.64200 g/mol. Key properties include a boiling point of 604.9ºC at 760 mmHg, a density of 1.66g/cm3 and a flash point of 319.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
924296-39-9
Jingsj CID
J-1958284-4
Molecular Formula
C13H3ClN4O
Molecular Weight
266.64200 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point604.9ºC at 760 mmHg
Density1.66g/cm3
Flash Point319.6ºC
Exact Mass266.00000
PSA90.43000
LogP2.08476
Refractive Index1.725

Activity & Biological Data

Additional Information[1]. Colland F, et al. Small-molecule inhibitor of USP7/HAUSP ubiquitin protease stabilizes and activates p53 in cells. Mol Cancer Ther. 2009 Aug;8(8):2286-95. [2]. Colombo M, et al. Synthesis and biological evaluation of 9-oxo-9H-indeno[1,2-b]pyrazine-2,3-dicarbonitrile analogues as potential inhibitors of deubiquitinating enzymes. ChemMedChem. 2010 Apr 6;5(4):552-8.

Frequently Asked Questions

What is the CAS number of 7-Chloro-9-oxo-9H-indeno[1,2-b]pyrazine-2,3-dicarbonitrile?

The CAS number of 7-Chloro-9-oxo-9H-indeno[1,2-b]pyrazine-2,3-dicarbonitrile is 924296-39-9.

What are the molecular formula and molecular weight of 7-Chloro-9-oxo-9H-indeno[1,2-b]pyrazine-2,3-dicarbonitrile?

7-Chloro-9-oxo-9H-indeno[1,2-b]pyrazine-2,3-dicarbonitrile has molecular formula C13H3ClN4O and molecular weight 266.64200 g/mol.

What are the upstream and downstream products of 7-Chloro-9-oxo-9H-indeno[1,2-b]pyrazine-2,3-dicarbonitrile?

For 7-Chloro-9-oxo-9H-indeno[1,2-b]pyrazine-2,3-dicarbonitrile, Upstream Products: Diaminomaleonitrile.

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

Last updated:

How to cite: Jingsj. "7-Chloro-9-oxo-9H-indeno[1,2-b]pyrazine-2,3-dicarbonitrile (CAS 924296-39-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1958284-4 (accessed 2026-11-09).

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