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4-Bromo-1-chloroisoquinoline

Also known as: 1-Chloro-4-bromoisoquinoline, 4-bromo-1-chloro-isoquinoline, 4-bromo-1-chloroisoqionoline, Isoquinoline, 4-bromo-1-chloro-, 4-Brom-1-chlorisochinolin, 4-Bromo-1-chloro-2-azanaphthalene

4-Bromo-1-chloroisoquinoline (CAS 66728-98-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H5BrClN and a molecular weight of 242.500 g/mol. Key properties include a boiling point of 328.8±22.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 152.6±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
66728-98-1
Jingsj CID
J-1492801-9
Molecular Formula
C9H5BrClN
Molecular Weight
242.500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point328.8±22.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point152.6±22.3 °C
Exact Mass240.929382
PSA12.89000
LogP3.59
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.680

Customs & Trade Information

HS Code2933499090
Summary2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4-Bromo-1-chloroisoquinoline?

The CAS number of 4-Bromo-1-chloroisoquinoline is 66728-98-1.

What are the molecular formula and molecular weight of 4-Bromo-1-chloroisoquinoline?

4-Bromo-1-chloroisoquinoline has molecular formula C9H5BrClN and molecular weight 242.500 g/mol.

What are the upstream and downstream products of 4-Bromo-1-chloroisoquinoline?

For 4-Bromo-1-chloroisoquinoline, Upstream Products: 4-Bromoisoquinoline 2-oxide, 1-Chloroisoquinoline, 4-Bromoisoquinolin-1(2H)-one; Downstream Products: 4-Bromo-1-methylisoquinoline, 5,6,7,8-Tetrahydroisoquinoline.

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

Last updated:

How to cite: Jingsj. "4-Bromo-1-chloroisoquinoline (CAS 66728-98-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492801-9 (accessed 2026-11-09).

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