methyl (4-ethynyl-1H-pyrazol-1-yl)acetate

(4-乙炔基-1H-吡唑-1-基)乙酸甲酯

Also known as: 1H-Pyrazole-1-acetic acid, 4-ethynyl-, methyl ester, methyl 2-(4-ethynyl-1H-pyrazol-1-yl)acetate

methyl (4-ethynyl-1H-pyrazol-1-yl)acetate (CAS 1823783-45-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H8N2O2 and a molecular weight of 164.16 g/mol. It is also known as 1H-Pyrazole-1-acetic acid, 4-ethynyl-, methyl ester and methyl 2-(4-ethynyl-1H-pyrazol-1-yl)acetate. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1823783-45-4
Jingsj CID: J-359737-4
Molecular Formula: C₈H₈N₂O₂
Chinese Name: (4-乙炔基-1H-吡唑-1-基)乙酸甲酯
Molecular Weight: 164.16 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of methyl (4-ethynyl-1H-pyrazol-1-yl)acetate?

The CAS number of methyl (4-ethynyl-1H-pyrazol-1-yl)acetate is 1823783-45-4.

What are the molecular formula and molecular weight of methyl (4-ethynyl-1H-pyrazol-1-yl)acetate?

methyl (4-ethynyl-1H-pyrazol-1-yl)acetate has molecular formula C8H8N2O2 and molecular weight 164.16 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. "methyl (4-ethynyl-1H-pyrazol-1-yl)acetate (CAS 1823783-45-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-359737-4 (accessed 2026-10-24).

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