4-Bromo-7-chloroisoquinolin-1(2H)-one

Also known as: 1(2H)-Isoquinolinone, 4-bromo-7-chloro-, 4-bromo-7-chloro-1,2-dihydroisoquinolin-1-one, 4-bromo-7-chloro-2H-isoquinolin-1-one, 4-bromo-7-chloroisoquinolin-1-ol

4-Bromo-7-chloroisoquinolin-1(2H)-one (CAS 1028252-13-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H5BrClNO and a molecular weight of 258.49900 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1028252-13-2
Jingsj CID: J-1047605-8
Molecular Formula: C₉H₅BrClNO
Molecular Weight: 258.49900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	256.92400
PSA	33.12000
LogP	3.35630

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 4-Bromo-7-chloroisoquinolin-1(2H)-one?

The CAS number of 4-Bromo-7-chloroisoquinolin-1(2H)-one is 1028252-13-2.

What are the molecular formula and molecular weight of 4-Bromo-7-chloroisoquinolin-1(2H)-one?

4-Bromo-7-chloroisoquinolin-1(2H)-one has molecular formula C9H5BrClNO and molecular weight 258.49900 g/mol.

What are the upstream and downstream products of 4-Bromo-7-chloroisoquinolin-1(2H)-one?

For 4-Bromo-7-chloroisoquinolin-1(2H)-one, Upstream Products: 7-Chloroisoquinolin-1-ol, 4-Chlorocinnamic acid; Downstream Products: Asunaprevir, 1,7-dichloro-4-methoxyisoquinoline.

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. "4-Bromo-7-chloroisoquinolin-1(2H)-one (CAS 1028252-13-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1047605-8 (accessed 2026-11-09).

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