2-Ethynyl-4-methoxythiazole

2-乙炔基-4-甲氧基噻唑

Also known as: 2-ethynyl-4-methoxy-1,3-thiazole, Thiazole, 2-ethynyl-4-methoxy- (9CI)

2-Ethynyl-4-methoxythiazole (CAS 211943-08-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5NOS and a molecular weight of 139.17500 g/mol. It is also known as 2-ethynyl-4-methoxy-1,3-thiazole and Thiazole, 2-ethynyl-4-methoxy- (9CI). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 211943-08-7
Jingsj CID: J-1508491-8
Molecular Formula: C₆H₅NOS
Chinese Name: 2-乙炔基-4-甲氧基噻唑
Molecular Weight: 139.17500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 2-Ethynyl-4-methoxythiazole?

The CAS number of 2-Ethynyl-4-methoxythiazole is 211943-08-7.

What are the molecular formula and molecular weight of 2-Ethynyl-4-methoxythiazole?

2-Ethynyl-4-methoxythiazole has molecular formula C6H5NOS and molecular weight 139.17500 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-Ethynyl-4-methoxythiazole (CAS 211943-08-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1508491-8 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.