Cinnoline

Cinnoline
Cinnoline molecule
C=black, H=white, N=blue
Cinnoline molecule
C=black, H=white, N=blue
Names
Preferred IUPAC name
Cinnoline[1]
Other names
Benzopyridazine
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.005.423 Edit this at Wikidata
UNII
  • InChI=1S/C8H6N2/c1-2-4-8-7(3-1)5-6-9-10-8/h1-6H checkY
    Key: WCZVZNOTHYJIEI-UHFFFAOYSA-N checkY
  • InChI=1/C8H6N2/c1-2-4-8-7(3-1)5-6-9-10-8/h1-6H
    Key: WCZVZNOTHYJIEI-UHFFFAOYAA
  • n1nccc2ccccc12
Properties
C8H6N2
Molar mass 130.150 g·mol−1
Melting point 39 °C (102 °F; 312 K)
Acidity (pKa) 2.64[2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

Cinnoline is an aromatic heterocyclic compound with the formula C8H6N2. It is isomeric with other naphthyridines including quinoxaline, phthalazine and quinazoline.

  1. ^ International Union of Pure and Applied Chemistry (2014). Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names 2013. The Royal Society of Chemistry. p. 212. doi:10.1039/9781849733069. ISBN 978-0-85404-182-4.
  2. ^ Brown, H.C., et al., in Baude, E.A. and Nachod, F.C., Determination of Organic Structures by Physical Methods, Academic Press, New York, 1955.