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4-Bromo-2-methylisoquinolin-1(2H)-one

Also known as: 1(2H)-Isoquinolinone, 4-bromo-2-methyl-, 2-Methyl-4-bromisocarbostyril, 4-Brom-2-methyl-1-isochinolon, 4-Brom-2-methyl-2H-isochinolin-1-on, 4-Brom-N-methyl-isocarbostyril, 4-Bromo-2-methyl-1(2H)-isoquinolinone, 4-Bromo-2-methyl-2H-isoquinolin-1-one, 4-Bromo-2-methylisoquinolin-1(2H), 4-bromo-2-Methyl-1,2-dihydroisoquinolin-1-one, 4-bromo-2-methyl-2H-isoquinolin-1-one, 4-bromo-2-methyl-isoquinolin-1-one, 4-bromo-2-methylisoquinolin-1-one, NSC 218343

4-Bromo-2-methylisoquinolin-1(2H)-one (CAS 33930-63-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8BrNO and a molecular weight of 238.081 g/mol. Key properties include a boiling point of 345.8±42.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 162.9±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
33930-63-1
Jingsj CID
J-1512317-8
Molecular Formula
C10H8BrNO
Molecular Weight
238.081 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point345.8±42.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point162.9±27.9 °C
Exact Mass236.978912
PSA22.00000
LogP1.90
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.646

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-Bromo-2-methylisoquinolin-1(2H)-one?

The CAS number of 4-Bromo-2-methylisoquinolin-1(2H)-one is 33930-63-1.

What are the molecular formula and molecular weight of 4-Bromo-2-methylisoquinolin-1(2H)-one?

4-Bromo-2-methylisoquinolin-1(2H)-one has molecular formula C10H8BrNO and molecular weight 238.081 g/mol.

What are the upstream and downstream products of 4-Bromo-2-methylisoquinolin-1(2H)-one?

For 4-Bromo-2-methylisoquinolin-1(2H)-one, Upstream Products: 2-Methylisoquinolin-1(2H)-one.

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-2-methylisoquinolin-1(2H)-one (CAS 33930-63-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1512317-8 (accessed 2026-11-09).

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