5,7-dichloro-3,4-dihydro-2H-isoquinolin-1-one

Also known as: 1(2H)-Isoquinolinone, 5,7-dichloro-3,4-dihydro-, 5,7-DICHLORO-3,4-DIHYDRO-2H-ISOQUINOLIN-1-ONE, 5,7-Dichloro-3,4-dihydro-1(2H)-isoquinolinone, 5,7-Dichloro-3,4-dihydroisoquinolin-1(2H)-one, 5,7-dichloro-1,2,3,4-tetrahydroisoquinolin-1-one

5,7-dichloro-3,4-dihydro-2H-isoquinolin-1-one (CAS 885273-81-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7Cl2NO and a molecular weight of 216.06400 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 885273-81-4
Jingsj CID: J-1173160-5
Molecular Formula: C₉H₇Cl₂NO
Molecular Weight: 216.06400 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	214.99000
PSA	29.10000
LogP	2.60810

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 5,7-dichloro-3,4-dihydro-2H-isoquinolin-1-one?

The CAS number of 5,7-dichloro-3,4-dihydro-2H-isoquinolin-1-one is 885273-81-4.

What are the molecular formula and molecular weight of 5,7-dichloro-3,4-dihydro-2H-isoquinolin-1-one?

5,7-dichloro-3,4-dihydro-2H-isoquinolin-1-one has molecular formula C9H7Cl2NO and molecular weight 216.06400 g/mol.

What are the upstream and downstream products of 5,7-dichloro-3,4-dihydro-2H-isoquinolin-1-one?

For 5,7-dichloro-3,4-dihydro-2H-isoquinolin-1-one, Upstream Products: 2-(2,4-Dichlorophenyl)ethanamine.

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. "5,7-dichloro-3,4-dihydro-2H-isoquinolin-1-one (CAS 885273-81-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1173160-5 (accessed 2026-11-09).

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