3-Bromo-1-methylquinolin-2(1H)-one

Also known as: 2(1H)-Quinolinone, 3-bromo-1-methyl-, 3-Bromo-1-methyl-1H-quinolin-2-one, 3-Bromo-1-methyl-2(1H)-quinolinone, 3-Bromo-1-methyl-2-quinolinone, 3-Bromo-1-methylcarbostyril, 3-bromo-1-methylquinolin-2(1H)-one, N-Methyl-3-bromo-2(1H)-quinolinone, NSC 108475

3-Bromo-1-methylquinolin-2(1H)-one (CAS 941-91-3) 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 238.08100 g/mol. Key properties include a boiling point of 299.5ºC at 760mmHg, a density of 1.592g/cm3 and a flash point of 134.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 941-91-3
Jingsj CID: J-1177319-6
Molecular Formula: C₁₀H₈BrNO
Molecular Weight: 238.08100 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	299.5ºC at 760mmHg
Density	1.592g/cm3
Flash Point	134.9ºC
Exact Mass	236.97900
PSA	22.00000
LogP	2.30100
Refractive Index	1.645

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 3-Bromo-1-methylquinolin-2(1H)-one?

The CAS number of 3-Bromo-1-methylquinolin-2(1H)-one is 941-91-3.

What are the molecular formula and molecular weight of 3-Bromo-1-methylquinolin-2(1H)-one?

3-Bromo-1-methylquinolin-2(1H)-one has molecular formula C10H8BrNO and molecular weight 238.08100 g/mol.

What are the upstream and downstream products of 3-Bromo-1-methylquinolin-2(1H)-one?

For 3-Bromo-1-methylquinolin-2(1H)-one, Upstream Products: 3-Bromo-2(1H)-quinolinone, iodomethane, 3-Bromoquinoline-1-oxide.

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. "3-Bromo-1-methylquinolin-2(1H)-one (CAS 941-91-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1177319-6 (accessed 2026-11-09).

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