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5-Bromo-2-methylbenzothiazole

Also known as: 2-Methyl-5-bromobenzothiazole, 5-Bromo-2-methyl-1,3-benzothiazole, 5-Bromo-2-methyl-1,3-benzthiazole, 5-bromo-2-methylbenzo[d]thiazole, Bromomethylbenzothiazole, 5-Bromo-2-methybenzothiazole, 5-BroMo-2-Mehyl benzothiazole, 5-BROMO-2-METHYLBENZ, Benzothiazole, 5-bromo-2-methyl-

5-Bromo-2-methylbenzothiazole (CAS 63837-11-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6BrNS and a molecular weight of 228.109 g/mol. Key properties include a melting point of 79°C, a boiling point of 299.1±13.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 134.7±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
63837-11-6
Jingsj CID
J-21403-9
Molecular Formula
C8H6BrNS
Molecular Weight
228.109 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point79°C
Boiling Point299.1±13.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point134.7±19.8 °C
Exact Mass226.940430
PSA41.13000
LogP3.18
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.691

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 5-Bromo-2-methylbenzothiazole?

The CAS number of 5-Bromo-2-methylbenzothiazole is 63837-11-6.

What are the molecular formula and molecular weight of 5-Bromo-2-methylbenzothiazole?

5-Bromo-2-methylbenzothiazole has molecular formula C8H6BrNS and molecular weight 228.109 g/mol.

What are the upstream and downstream products of 5-Bromo-2-methylbenzothiazole?

For 5-Bromo-2-methylbenzothiazole, Upstream Products: 2-methyl-1,3-benzothiazol-5-amine dihydrochloride, 2,5-Dibromonitrobenzene, 2-Methylbenzothiazole; Downstream Products: 2-Methyl-5-phenylbenzothiazole, Trimethyltin bromide, 2,5-dimethylbenzothiazole.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "5-Bromo-2-methylbenzothiazole (CAS 63837-11-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21403-9 (accessed 2026-11-09).

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