4-(2-Thienyl)butyric acid
Also known as: 2-Thiophenebutanoic acid, 2-Thiophenebutyric acid, 4-(2-Thienyl)butanoic acid, 4-(Thiophen-2-yl)butanoic acid, 4-thiophen-2-ylbutanoic acid, gamma-(alpha-Thienyl)butyric acid
4-(2-Thienyl)butyric acid (CAS 4653-11-6) 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 170.229 g/mol. Key properties include a boiling point of 296.9±15.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 133.4±20.4 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4653-11-6
- Jingsj CID
- J-27145-4
- Molecular Formula
- C8H10O2S
- Molecular Weight
- 170.229 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 296.9±15.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 133.4±20.4 °C |
| Exact Mass | 170.040146 |
| PSA | 65.54000 |
| LogP | 2.10 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.559 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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-(2-Thienyl)butyric acid?
The CAS number of 4-(2-Thienyl)butyric acid is 4653-11-6.
What are the molecular formula and molecular weight of 4-(2-Thienyl)butyric acid?
4-(2-Thienyl)butyric acid has molecular formula C8H10O2S and molecular weight 170.229 g/mol.
Is 4-(2-Thienyl)butyric acid hazardous?
4-(2-Thienyl)butyric acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 4-(2-Thienyl)butyric acid?
For 4-(2-Thienyl)butyric acid, Upstream Products: 4-Oxo-4-(2-thienyl)butyric acid; Downstream Products: 4,5,6,7-Tetrahydro-1-benzothiophen-4-amine, 4,5,6,7-Tetrahydrobenzo[b]thiophene-2-carboxylic acid, Octanoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-(2-Thienyl)butyric acid (CAS 4653-11-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27145-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.