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I28208

Sigma-Aldrich

Isoquinoline

97%

Synonym(s):

β-Quinoline, 2-Azanaphthalene, 2-Benzazine, Benzopyridine

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About This Item

Empirical Formula (Hill Notation):
C9H7N
CAS Number:
119-65-3
Molecular Weight:
129.16
Beilstein:
107549
EC Number:
204-341-8
MDL number:
MFCD00006898
UNSPSC Code:
12352100
PubChem Substance ID:
24896011
NACRES:
NA.22
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Quality Level

100

Assay

97%

refractive index

n20/D 1.623 (lit.)

bp

242-243 °C (lit.)

mp

26-28 °C (lit.)

density

1.099 g/mL at 25 °C (lit.)

SMILES string

c1ccc2cnccc2c1

InChI

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

InChI key

AWJUIBRHMBBTKR-UHFFFAOYSA-N

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Application

Isoquinoline can be used as:
  • A catalyst in the synthesis of poly(imide)s.[1]
  • A reactant in the synthesis of N-benzyl isoquinoline-1,3,4-triones using iodine as a catalyst.[2]
  • A reactant in the synthesis of 2H-imidazo[5,1-a]isoquinolinium chloride.[3]

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Statements

H302,H311,H315,H319,H412

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 2

Flash Point(F)

215.6 °F - closed cup

Flash Point(C)

102 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
STBK2011
STBJ7583
STBJ4640
STBJ1852
STBG4839V

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Iodine-catalyzed oxidative multiple C-H bond functionalization of isoquinolines with methylarenes: an efficient synthesis of isoquinoline-1, 3, 4 (2 H)-triones
Zhu D, et al.
Organic & Biomolecular Chemistry, 15(34), 7112-7116 (2017)
Cascade Synthesis of Functionalized 2H-Imidazo [5, 1-a] isoquinolinium Chlorides from Isoquinoline, Chloroformamidines (= Carbamimidoyl Chlorides), and Isocyanides
Yavari I, et al.
Helvetica Chimica Acta, 93(1), 72-76 (2010)
Intrinsically microporous poly (imide) s: structure- porosity relationship studied by gas sorption and X-ray scattering
Ritter N, et al.
Macromolecules, 44(7), 2025-2033 (2011)
Viktoras Dryza et al.
The journal of physical chemistry. A, 116(17), 4323-4329 (2012-04-14)
Electronic spectra of the gas-phase isoquinoline(+)-Ar and quinoline(+)-Ar complexes are recorded using photodissociation spectroscopy by monitoring the Ar loss channel. The D(3)←D(0) and D(4)←D(0) band origins for isoquinoline(+)-Ar are observed at 15245 ± 15 cm(-1) and 21960 ± 15 cm(-1)
Jeremy Shonberg et al.
Journal of medicinal chemistry, 56(22), 9199-9221 (2013-10-22)
Biased agonism offers an opportunity for the medicinal chemist to discover pathway-selective ligands for GPCRs. A number of studies have suggested that biased agonism at the dopamine D2 receptor (D2R) may be advantageous for the treatment of neuropsychiatric disorders, including
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