3-Bromo-2-methylbenzo[b]thiophene

Also known as: 3-Bromo-2-methyl-1-benzothiophene, 3-Bromo-2-methyl-benzothiophene, Benzo[b]thiophene, 3-bromo-2-methyl-

3-Bromo-2-methylbenzo[b]thiophene (CAS 10243-15-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7BrS and a molecular weight of 227.12100 g/mol. Key properties include a boiling point of 302ºC at 760 mmHg, a density of 1.561g/cm3 and a flash point of 136.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 10243-15-9
Jingsj CID: J-1054698-2
Molecular Formula: C₉H₇BrS
Molecular Weight: 227.12100 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	302ºC at 760 mmHg
Density	1.561g/cm3
Flash Point	136.4ºC
Exact Mass	225.94500
PSA	28.24000
LogP	3.97220
Vapor Pressure	0.00182mmHg at 25°C
Refractive Index	1.68
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3-Bromo-2-methylbenzo[b]thiophene?

The CAS number of 3-Bromo-2-methylbenzo[b]thiophene is 10243-15-9.

What are the molecular formula and molecular weight of 3-Bromo-2-methylbenzo[b]thiophene?

3-Bromo-2-methylbenzo[b]thiophene has molecular formula C9H7BrS and molecular weight 227.12100 g/mol.

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-2-methylbenzo[b]thiophene (CAS 10243-15-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1054698-2 (accessed 2026-11-09).

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