2,2,4,6,7-Pentamethyldihydrobenzofuran-5-sulfonyl chloride

2,2,4,6,7-五甲基二氢苯并呋喃-5-磺酰氯

Also known as: 2,2,4,6,7-Pentamethyl-2,3-dihydrobenzofuran-5-sulfonyl chloride, 2,2,4,6,7-Pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl chloride, 2,2,4,6,7-Pentamethyldihydrobenzo[b]furan-5-sulfonyl chloride, 2,2,4,6,7-Pentamethyldihydrobenzofuran-5-sulphonyl chloride, 5-Benzofuransulfonyl chloride, 2,3-dihydro-2,2,4,6,7-pentamethyl-, Pbf-Cl, MFCD01317847

2,2,4,6,7-Pentamethyldihydrobenzofuran-5-sulfonyl chloride (CAS 154445-78-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H17ClO3S and a molecular weight of 288.790 g/mol. It is also known as 2,2,4,6,7-Pentamethyl-2,3-dihydrobenzofuran-5-sulfonyl chloride, 2,2,4,6,7-Pentamethyl-2,3-dihydro-1-benzofuran-5-sulfonyl chloride and 2,2,4,6,7-Pentamethyldihydrobenzo[b]furan-5-sulfonyl chloride. Key properties include a melting point of 69-71ºC, a boiling point of 392.7±42.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 191.3±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
154445-78-0
Jingsj CID
J-1591777-7
Molecular Formula
C13H17ClO3S
Chinese Name
2,2,4,6,7-五甲基二氢苯并呋喃-5-磺酰氯
Molecular Weight
288.790 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point69-71ºC
Boiling Point392.7±42.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point191.3±27.9 °C

Frequently Asked Questions

What is the CAS number of 2,2,4,6,7-Pentamethyldihydrobenzofuran-5-sulfonyl chloride?

The CAS number of 2,2,4,6,7-Pentamethyldihydrobenzofuran-5-sulfonyl chloride is 154445-78-0.

What are the molecular formula and molecular weight of 2,2,4,6,7-Pentamethyldihydrobenzofuran-5-sulfonyl chloride?

2,2,4,6,7-Pentamethyldihydrobenzofuran-5-sulfonyl chloride has molecular formula C13H17ClO3S and molecular weight 288.790 g/mol.

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

Last updated:

How to cite: Jingsj. "2,2,4,6,7-Pentamethyldihydrobenzofuran-5-sulfonyl chloride (CAS 154445-78-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1591777-7 (accessed 2026-10-23).

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