5-(2-thienyl)pentanoic acid
Also known as: 5-(2-Thienyl)valeric acid, 5-(Thiophen-2-yl)pentanoic acid, 2-Thiophenepentanoic acid, 5-(thien-2-yl)pentanoic acid, 5-(thiophene-2-yl)pentanoic acid, 5-thiophen-2-ylpentanoic acid, MFCD00151849
5-(2-thienyl)pentanoic acid (CAS 21010-06-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H12O2S and a molecular weight of 184.25500 g/mol. Key properties include a melting point of 41-44°C, a boiling point of 336.8ºC at 760 mmHg, a density of 1.182g/cm3 and a flash point of 157.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21010-06-0
- Jingsj CID
- J-35505-5
- Molecular Formula
- C9H12O2S
- Molecular Weight
- 184.25500 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 41-44°C |
|---|---|
| Boiling Point | 336.8ºC at 760 mmHg |
| Density | 1.182g/cm3 |
| Flash Point | 157.5ºC |
| Exact Mass | 184.05600 |
| PSA | 65.54000 |
| LogP | 2.54550 |
| Vapor Pressure | 4.29E-05mmHg at 25°C |
| Refractive Index | 1.549 |
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 5-(2-thienyl)pentanoic acid?
The CAS number of 5-(2-thienyl)pentanoic acid is 21010-06-0.
What are the molecular formula and molecular weight of 5-(2-thienyl)pentanoic acid?
5-(2-thienyl)pentanoic acid has molecular formula C9H12O2S and molecular weight 184.25500 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-(2-thienyl)pentanoic acid (CAS 21010-06-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35505-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.