7-(4-Bromobutoxy)-3,4-dihydro-2(1H)-quinolinone

Also known as: 3,4-Dihydro-7-(4-bromobutoxy)-2(1H)-quinolinone, 7-(4-Bromobutoxy)-1,2,3,4-tetrahydroquinoline-2-one, 7-(4-Bromobutoxy)-3,4-dihydro-2-quinolinone, 7-(4-Bromobutoxy)-1,2,3,4-tetrahydro-2-oxoquinoline, 7-(4-Bromobutoxy)-2-oxo-1,2,3,4-tetrahydroquinoline, 7-(4-Bromobutoxy)-3,4-dihydro-1H-quinolin-2-one, Aripiprazole Impurity A, Aripiprazole Bromo Impurity, MFCD06658540

7-(4-Bromobutoxy)-3,4-dihydro-2(1H)-quinolinone (CAS 129722-34-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H16BrNO2 and a molecular weight of 298.176 g/mol. Key properties include a melting point of 110-111ºC, a boiling point of 463.4±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 234.1±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 129722-34-5
Jingsj CID: J-1582747-1
Molecular Formula: C₁₃H₁₆BrNO₂
Molecular Weight: 298.176 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	110-111ºC
Boiling Point	463.4±45.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	234.1±28.7 °C
Exact Mass	297.036438
PSA	38.33000
LogP	3.10
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.565
Storage Conditions	Hygroscopic, Refrigerator, Under Inert Atmosphere

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 7-(4-Bromobutoxy)-3,4-dihydro-2(1H)-quinolinone?

The CAS number of 7-(4-Bromobutoxy)-3,4-dihydro-2(1H)-quinolinone is 129722-34-5.

What are the molecular formula and molecular weight of 7-(4-Bromobutoxy)-3,4-dihydro-2(1H)-quinolinone?

7-(4-Bromobutoxy)-3,4-dihydro-2(1H)-quinolinone has molecular formula C13H16BrNO2 and molecular weight 298.176 g/mol.

What are the upstream and downstream products of 7-(4-Bromobutoxy)-3,4-dihydro-2(1H)-quinolinone?

For 7-(4-Bromobutoxy)-3,4-dihydro-2(1H)-quinolinone, Upstream Products: 1,4-Dibromobutane, 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone, 1-bromo-4-chlorobutane; Downstream Products: Aripiprazole, 7-(4-Bromobutoxy)quinolin-2(1H)-one.

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. "7-(4-Bromobutoxy)-3,4-dihydro-2(1H)-quinolinone (CAS 129722-34-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1582747-1 (accessed 2026-11-09).

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