5-(thiophen-2-yl)-1H-pyrazole-3-carboxylic acid
Also known as: 5-thien-2-yl-1H-pyrazole-3-carboxylic acid, 5-thiophen-2-yl-1H-pyrazole-3-carboxylic acid, 3-(2-thienyl)-1H-pyrazole-5-carboxylic acid, 5-(2-thienyl)-1H-pyrazole-3-carboxylic acid, 5-(2-thienyl)pyrazole-3-carboxylic acid, 3-thien-2-yl-1H-pyrazole-5-carboxylic acid, 1H-Pyrazole-3-carboxylic acid, 5-(2-thienyl)-, AKOS PAO-0367, MFCD05170066
5-(thiophen-2-yl)-1H-pyrazole-3-carboxylic acid (CAS 182415-24-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6N2O2S and a molecular weight of 194.210 g/mol. Key properties include a melting point of 226 - 227ºC, a boiling point of 509.4±40.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 261.8±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 182415-24-3
- Jingsj CID
- J-581-2
- Molecular Formula
- C8H6N2O2S
- Molecular Weight
- 194.210 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 226 - 227ºC |
|---|---|
| Boiling Point | 509.4±40.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 261.8±27.3 °C |
| Exact Mass | 194.014999 |
| PSA | 94.22000 |
| LogP | 1.69 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.684 |
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-(thiophen-2-yl)-1H-pyrazole-3-carboxylic acid?
The CAS number of 5-(thiophen-2-yl)-1H-pyrazole-3-carboxylic acid is 182415-24-3.
What are the molecular formula and molecular weight of 5-(thiophen-2-yl)-1H-pyrazole-3-carboxylic acid?
5-(thiophen-2-yl)-1H-pyrazole-3-carboxylic acid has molecular formula C8H6N2O2S and molecular weight 194.210 g/mol.
What are the upstream and downstream products of 5-(thiophen-2-yl)-1H-pyrazole-3-carboxylic acid?
For 5-(thiophen-2-yl)-1H-pyrazole-3-carboxylic acid, Upstream Products: Thenoyltrifluoroacetone.
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-(thiophen-2-yl)-1H-pyrazole-3-carboxylic acid (CAS 182415-24-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-581-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.