3-Ethynyl-2-methoxyphenol

5-乙炔基-2-甲氧基苯酚

Also known as: PHENOL, 5-ETHYNYL-2-METHOXY-, 3-ETHYNYL-2-METHOXY-PHENOL, 3-Ethynyl-2-methoxyphenol, 5-Ethynyl-2-methoxy-Phenol, 5-ethynyl-2-methoxyPhenol, Phenol, 5-ethynyl-2-Methoxy-, 2-(3-hydroxy-4-methoxyphenyl)ethyne, 5-ethynyl-2-methoxyphenol

3-Ethynyl-2-methoxyphenol (CAS 871940-23-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C9H8O2 and a molecular weight of 148.15900 g/mol. It is also known as PHENOL, 5-ETHYNYL-2-METHOXY-, 3-ETHYNYL-2-METHOXY-PHENOL and 5-Ethynyl-2-methoxy-Phenol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 871940-23-7
Jingsj CID: J-1356262-5
Molecular Formula: C₉H₈O₂
Chinese Name: 5-乙炔基-2-甲氧基苯酚
Molecular Weight: 148.15900 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 3-Ethynyl-2-methoxyphenol?

The CAS number of 3-Ethynyl-2-methoxyphenol is 871940-23-7.

What are the molecular formula and molecular weight of 3-Ethynyl-2-methoxyphenol?

3-Ethynyl-2-methoxyphenol has molecular formula C9H8O2 and molecular weight 148.15900 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. "3-Ethynyl-2-methoxyphenol (CAS 871940-23-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356262-5 (accessed 2026-10-22).

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