7-Chloro-3,4-dihydro-2H-isoquinolin-1-one

Also known as: 7-Chloro-3,4-dihydro-1(2H)-isoquinolinone, 1(2H)-Isoquinolinone, 7-chloro-3,4-dihydro-, 7-Chloro-3,4-dihydroisoquinolin-1(2H)-one

7-Chloro-3,4-dihydro-2H-isoquinolin-1-one (CAS 22245-95-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8ClNO and a molecular weight of 181.619 g/mol. Key properties include a boiling point of 426.0±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 211.4±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 22245-95-0
Jingsj CID: J-1161985-5
Molecular Formula: C₉H₈ClNO
Molecular Weight: 181.619 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	426.0±45.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	211.4±28.7 °C
Exact Mass	181.029449
PSA	29.10000
LogP	1.64
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.579

Customs & Trade Information

HS Code	2933790090
Summary	2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 7-Chloro-3,4-dihydro-2H-isoquinolin-1-one?

The CAS number of 7-Chloro-3,4-dihydro-2H-isoquinolin-1-one is 22245-95-0.

What are the molecular formula and molecular weight of 7-Chloro-3,4-dihydro-2H-isoquinolin-1-one?

7-Chloro-3,4-dihydro-2H-isoquinolin-1-one has molecular formula C9H8ClNO and molecular weight 181.619 g/mol.

What are the upstream and downstream products of 7-Chloro-3,4-dihydro-2H-isoquinolin-1-one?

For 7-Chloro-3,4-dihydro-2H-isoquinolin-1-one, Upstream Products: 2-(4-Chlorophenyl)ethylamine, 4-Chlorobenzaldehyde, 1-(4-Chlorophenyl)-2-nitroethene.

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

Last updated: 8/21/2026

How to cite: Jingsj. "7-Chloro-3,4-dihydro-2H-isoquinolin-1-one (CAS 22245-95-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1161985-5 (accessed 2026-11-09).

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