5-Bromo-3,4-dihydroisoquinolin-1(2H)-one

Also known as: 5-Bromo-1,2,3,4-tetrahydroisoquinolin-1-one, 5-Bromo-1-oxo-1,2,3,4-tetrahydroisoquinoline, 1(2H)-Isoquinolinone, 5-bromo-3,4-dihydro-, 5-Bromo-3,4-dihydro-2H-isoquinolin-1-one

5-Bromo-3,4-dihydroisoquinolin-1(2H)-one (CAS 1109230-25-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8BrNO and a molecular weight of 226.070 g/mol. Key properties include a melting point of 180-183°C, a boiling point of 453.8±45.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 228.3±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1109230-25-2
Jingsj CID: J-1356676-2
Molecular Formula: C₉H₈BrNO
Molecular Weight: 226.070 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	180-183°C
Boiling Point	453.8±45.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	228.3±28.7 °C
Exact Mass	224.978912
PSA	32.59000
LogP	1.81
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.600

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 5-Bromo-3,4-dihydroisoquinolin-1(2H)-one?

The CAS number of 5-Bromo-3,4-dihydroisoquinolin-1(2H)-one is 1109230-25-2.

What are the molecular formula and molecular weight of 5-Bromo-3,4-dihydroisoquinolin-1(2H)-one?

5-Bromo-3,4-dihydroisoquinolin-1(2H)-one has molecular formula C9H8BrNO and molecular weight 226.070 g/mol.

What are the upstream and downstream products of 5-Bromo-3,4-dihydroisoquinolin-1(2H)-one?

For 5-Bromo-3,4-dihydroisoquinolin-1(2H)-one, Upstream Products: 4-Bromo-1-indanone.

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. "5-Bromo-3,4-dihydroisoquinolin-1(2H)-one (CAS 1109230-25-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356676-2 (accessed 2026-11-09).

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