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4-(2'-Bromoethyl)-3-chloro-1,3-dihydro-2H-indol-2-one

Also known as: 4-(2-Bromoethyl)-3-chloro-1,3-dihydro-2H-indolin-2-one, 4-(2-Bromoethyl)-3-chloro-1,3-dihydro-2-indoline-2-one, 4-(2-Bromoethyl)-3-chloro-1H-indol-2(3H)-one, Ropinirole intermediate

4-(2'-Bromoethyl)-3-chloro-1,3-dihydro-2H-indol-2-one (CAS 120427-95-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9BrClNO and a molecular weight of 274.54200 g/mol. Key properties include a boiling point of 374.736ºC at 760 mmHg, a density of 1.647g/cm3 and a flash point of 180.434ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
120427-95-4
Jingsj CID
J-1032402-4
Molecular Formula
C10H9BrClNO
Molecular Weight
274.54200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point374.736ºC at 760 mmHg
Density1.647g/cm3
Flash Point180.434ºC
Exact Mass272.95600
PSA29.10000
LogP2.99400
Vapor Pressure0mmHg at 25°C
Refractive Index1.633

Customs & Trade Information

HS Code2933790090
Summary2933790090. 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-(2'-Bromoethyl)-3-chloro-1,3-dihydro-2H-indol-2-one?

The CAS number of 4-(2'-Bromoethyl)-3-chloro-1,3-dihydro-2H-indol-2-one is 120427-95-4.

What are the molecular formula and molecular weight of 4-(2'-Bromoethyl)-3-chloro-1,3-dihydro-2H-indol-2-one?

4-(2'-Bromoethyl)-3-chloro-1,3-dihydro-2H-indol-2-one has molecular formula C10H9BrClNO and molecular weight 274.54200 g/mol.

What are the upstream and downstream products of 4-(2'-Bromoethyl)-3-chloro-1,3-dihydro-2H-indol-2-one?

For 4-(2'-Bromoethyl)-3-chloro-1,3-dihydro-2H-indol-2-one, Upstream Products: 2-(2-Bromoethyl)benzaldehyde; Downstream Products: Ropinirole, Ropinirole hydrochloride, 2-(2-Oxoindolin-4-yl)ethyl 4-methylbenzenesulfonate.

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-(2'-Bromoethyl)-3-chloro-1,3-dihydro-2H-indol-2-one (CAS 120427-95-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1032402-4 (accessed 2026-11-09).

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