4-(2-Bromoethyl)-1,3-dihydro-2H-indolin-2-one

Also known as: 4-(2-Bromoethyl)oxindole, 4-(2-Bromoethyl)-2-oxoindole, 4-(2-Bromoethyl)indolin-2-one, 4-(2-bromoethyl)-2H-indol-2-one, Ropinirole Intermediate 4, 4-(2'-Bromoethyl)-1,3-dihydro-2H-indol-2-one, 4-(2'-bromoethyl)-1,3-dihydro-2h-indole-2-one

4-(2-Bromoethyl)-1,3-dihydro-2H-indolin-2-one (CAS 120427-96-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H10BrNO and a molecular weight of 240.09600 g/mol. Key properties include a boiling point of 373.798ºC at 760 mmHg, a density of 1.528 and a flash point of 179.867ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 120427-96-5
Jingsj CID: J-1430091-5
Molecular Formula: C₁₀H₁₀BrNO
Molecular Weight: 240.09600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	373.798ºC at 760 mmHg
Density	1.528
Flash Point	179.867ºC
Exact Mass	238.99500
PSA	29.10000
LogP	2.25660
Refractive Index	1.648

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-(2-Bromoethyl)-1,3-dihydro-2H-indolin-2-one?

The CAS number of 4-(2-Bromoethyl)-1,3-dihydro-2H-indolin-2-one is 120427-96-5.

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

4-(2-Bromoethyl)-1,3-dihydro-2H-indolin-2-one has molecular formula C10H10BrNO and molecular weight 240.09600 g/mol.

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

For 4-(2-Bromoethyl)-1,3-dihydro-2H-indolin-2-one, Upstream Products: 4-(2'-Bromoethyl)-3-chloro-1,3-dihydro-2H-indol-2-one, 2-(2-Bromoethyl)benzaldehyde, Isochroman; 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: 8/21/2026

How to cite: Jingsj. "4-(2-Bromoethyl)-1,3-dihydro-2H-indolin-2-one (CAS 120427-96-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1430091-5 (accessed 2026-11-09).

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