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ethyl 2-methyl-1,3-benzothiazole-6-carboxylate

Also known as: ethyl 2-methylbenzo[d]thiazole-6-carboxylate, 6-Benzothiazolecarboxylic acid, 2-methyl-, ethyl ester, 2-Methyl-benzothiazole-6-carboxylic acid ethyl ester, 6-ethoxycarbonyl-2-methylbenzothiazole, ethylmethylbenzothiazolecarboxylate

ethyl 2-methyl-1,3-benzothiazole-6-carboxylate (CAS 103646-25-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H11NO2S and a molecular weight of 221.27600 g/mol. Key properties include a melting point of 67-69ºC, a boiling point of 332.5ºC at 760 mmHg, a density of 1.25 g/cm3 and a flash point of 154.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
103646-25-9
Jingsj CID
J-1512483-1
Molecular Formula
C11H11NO2S
Molecular Weight
221.27600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point67-69ºC
Boiling Point332.5ºC at 760 mmHg
Density1.25 g/cm3
Flash Point154.9ºC
Exact Mass221.05100
PSA67.43000
LogP2.78140
Vapor Pressure0.000146mmHg at 25°C
Refractive Index1.615

Customs & Trade Information

HS Code2934200090
Summary2934200090. other compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused. 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 ethyl 2-methyl-1,3-benzothiazole-6-carboxylate?

The CAS number of ethyl 2-methyl-1,3-benzothiazole-6-carboxylate is 103646-25-9.

What are the molecular formula and molecular weight of ethyl 2-methyl-1,3-benzothiazole-6-carboxylate?

ethyl 2-methyl-1,3-benzothiazole-6-carboxylate has molecular formula C11H11NO2S and molecular weight 221.27600 g/mol.

What are the upstream and downstream products of ethyl 2-methyl-1,3-benzothiazole-6-carboxylate?

For ethyl 2-methyl-1,3-benzothiazole-6-carboxylate, Upstream Products: 2-Methylbenzo[d]thiazole-6-carbonitrile, 2-Methyl-1,3-benzothiazole-6-carboxylic acid, Ethanol.

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

Last updated:

How to cite: Jingsj. "ethyl 2-methyl-1,3-benzothiazole-6-carboxylate (CAS 103646-25-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1512483-1 (accessed 2026-11-09).

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