Benzofuran-5-carbonyl chloride

Also known as: 1-benzofuran-5-carbonyl chloride, 5-Benzofurancarbonyl chloride, benzo[b]furan-5-carbonyl chloride, 5-chlorocarbonylbenzofuran

Benzofuran-5-carbonyl chloride (CAS 56540-70-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H5ClO2 and a molecular weight of 180.58800 g/mol. Key properties include a melting point of 67-68ºC, a boiling point of 260.8ºC at 760mmHg, a density of 1.36g/cm3 and a flash point of 111.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 56540-70-6
Jingsj CID: J-1149825-2
Molecular Formula: C₉H₅ClO₂
Molecular Weight: 180.58800 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	67-68ºC
Boiling Point	260.8ºC at 760mmHg
Density	1.36g/cm3
Flash Point	111.6ºC
Exact Mass	179.99800
PSA	30.21000
LogP	2.81180
Refractive Index	1.62

Customs & Trade Information

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Benzofuran-5-carbonyl chloride?

The CAS number of Benzofuran-5-carbonyl chloride is 56540-70-6.

What are the molecular formula and molecular weight of Benzofuran-5-carbonyl chloride?

Benzofuran-5-carbonyl chloride has molecular formula C9H5ClO2 and molecular weight 180.58800 g/mol.

What are the upstream and downstream products of Benzofuran-5-carbonyl chloride?

For Benzofuran-5-carbonyl chloride, Upstream Products: Methyl benzofuran-5-carboxylate, 1-Benzofuran-5-carboxylic acid.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Benzofuran-5-carbonyl chloride (CAS 56540-70-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1149825-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.