5-[2-(4-Methylphenyl)ethynyl]-1,3-isobenzofurandione

5-[2-(4-甲基苯基)乙炔基]-1,3-异苯并呋喃二酮

5-[2-(4-Methylphenyl)ethynyl]-1,3-isobenzofurandione (CAS 186612-17-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C17H10O3 and a molecular weight of 262.26 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 186612-17-9
Jingsj CID: J-490532-3
Molecular Formula: C₁₇H₁₀O₃
Chinese Name: 5-[2-(4-甲基苯基)乙炔基]-1,3-异苯并呋喃二酮
Molecular Weight: 262.26 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-[2-(4-Methylphenyl)ethynyl]-1,3-isobenzofurandione?

The CAS number of 5-[2-(4-Methylphenyl)ethynyl]-1,3-isobenzofurandione is 186612-17-9.

What are the molecular formula and molecular weight of 5-[2-(4-Methylphenyl)ethynyl]-1,3-isobenzofurandione?

5-[2-(4-Methylphenyl)ethynyl]-1,3-isobenzofurandione has molecular formula C17H10O3 and molecular weight 262.26 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. "5-[2-(4-Methylphenyl)ethynyl]-1,3-isobenzofurandione (CAS 186612-17-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-490532-3 (accessed 2026-10-24).

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