5-(2-Chloroethyl)-2,3-dihydro-1-benzofuran

Also known as: 5-(2-chloroethyl)-2,3-dihydrobenzofuran, 5-(2-chloroethyl)-2,3-dihydro-1-benzofuran, 2-(2,3-dihydrobenzofuran-5-yl)ethylchloride, 5-chloroethyl-2,3-dihydrobenzofuran, Benzofuran, 5-(2-chloroethyl)-2,3-dihydro-

5-(2-Chloroethyl)-2,3-dihydro-1-benzofuran (CAS 943034-50-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H11ClO and a molecular weight of 182.647 g/mol. Key properties include a boiling point of 284.4±9.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 128.4±12.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 943034-50-2
Jingsj CID: J-1162340-8
Molecular Formula: C₁₀H₁₁ClO
Molecular Weight: 182.647 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	284.4±9.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	128.4±12.8 °C
Exact Mass	182.049850
PSA	9.23000
LogP	2.80
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.561
Storage Conditions	2-8°C

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 5-(2-Chloroethyl)-2,3-dihydro-1-benzofuran?

The CAS number of 5-(2-Chloroethyl)-2,3-dihydro-1-benzofuran is 943034-50-2.

What are the molecular formula and molecular weight of 5-(2-Chloroethyl)-2,3-dihydro-1-benzofuran?

5-(2-Chloroethyl)-2,3-dihydro-1-benzofuran has molecular formula C10H11ClO and molecular weight 182.647 g/mol.

What are the upstream and downstream products of 5-(2-Chloroethyl)-2,3-dihydro-1-benzofuran?

For 5-(2-Chloroethyl)-2,3-dihydro-1-benzofuran, Upstream Products: 2,3-Dihydro-5-benzofuranethanol, 5-Chloroacetyl-2,3-dihydrobenzofuran; Downstream Products: Darifenacin hydrobromide, 5-(2-Bromoethyl)-2,3-dihydrobenzofuran.

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. "5-(2-Chloroethyl)-2,3-dihydro-1-benzofuran (CAS 943034-50-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1162340-8 (accessed 2026-11-09).

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