4-(thiophen-3-yl)butanoic acid

Also known as: 3-thiophenebutanoic acid, 4-(3-thienyl)butyric acid, 4-(3-thienyl)butanoic acid, 4-(thien-3-yl)butyric acid, 4-thiophen-3-yl-butyric acid, 4-thiophen-3-ylbutanoic acid

4-(thiophen-3-yl)butanoic acid (CAS 1505-47-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H10O2S and a molecular weight of 170.22900 g/mol. Key properties include a boiling point of 300.969ºC at 760 mmHg, a density of 1.221g/cm3 and a flash point of 135.821ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1505-47-1
Jingsj CID: J-1306892-3
Molecular Formula: C₈H₁₀O₂S
Molecular Weight: 170.22900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	300.969ºC at 760 mmHg
Density	1.221g/cm3
Flash Point	135.821ºC
Exact Mass	170.04000
PSA	65.54000
LogP	2.15540
Vapor Pressure	0mmHg at 25°C
Refractive Index	1.559

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 4-(thiophen-3-yl)butanoic acid?

The CAS number of 4-(thiophen-3-yl)butanoic acid is 1505-47-1.

What are the molecular formula and molecular weight of 4-(thiophen-3-yl)butanoic acid?

4-(thiophen-3-yl)butanoic acid has molecular formula C8H10O2S and molecular weight 170.22900 g/mol.

What are the upstream and downstream products of 4-(thiophen-3-yl)butanoic acid?

For 4-(thiophen-3-yl)butanoic acid, Upstream Products: 2-(3-Thienyl)ethanol; Downstream Products: 5,6-Dihydrobenzo[b]thiophen-7(4H)-one.

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. "4-(thiophen-3-yl)butanoic acid (CAS 1505-47-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1306892-3 (accessed 2026-11-09).

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