Isoquinoline

CAS Registry Number®

119-65-3

CAS Name

Isoquinoline

Molecular Formula

C9H7N

Molecular Mass

129.16

Cite this Page

Isoquinoline.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=119-65-3 (retrieved 2025-06-30) (CAS RN: 119-65-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    242.6-244.0 °C

  • Melting Point (2)

    26.47 °C

  • Density (1)

    1.096 g/cm³ @ Temp: 204 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C9H7N/c1-2-4-9-7-10-6-5-8(9)3-1/h1-7H

InChIKey

InChIKey=AWJUIBRHMBBTKR-UHFFFAOYSA-N

SMILES

C12=C(C=CC=C1)C=NC=C2

Canonical SMILES

N=1C=CC=2C=CC=CC2C1

Other Names for this Substance

  • Isoquinoline
  • Benzo[c]pyridine
  • 2-Azanaphthalene
  • 2-Benzazine
  • Benzopyridine

View All

CAS INSIGHTSTM
Purple and red filaments produced by electrostatic discharge inside a plasma ball.