3-(2-Thienyl)-1H-pyrazole
Also known as: 3-(2-thienyl)pyrazole, 5-(2-thienyl)-1H-pyrazole, 3-thiophen-2-yl-1H-pyrazole, 5-thiophen-2-yl-1H-pyrazole, 2-pyrazol-3-ylthiophene, AKOS BBS-00002515, BUTTPARK 15\07-57, IFLAB-BB F3250-0656, TIMTEC-BB SBB004070, MFCD00178757
3-(2-Thienyl)-1H-pyrazole (CAS 19933-24-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6N2S and a molecular weight of 150.20100 g/mol. Key properties include a melting point of 97-99 °C, a boiling point of 152 °C (1.6 mmHg), a density of 1.297g/cm3 and a flash point of 143.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19933-24-5
- Jingsj CID
- J-44181-6
- Molecular Formula
- C7H6N2S
- Molecular Weight
- 150.20100 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 97-99 °C |
|---|---|
| Boiling Point | 152 °C (1.6 mmHg) |
| Density | 1.297g/cm3 |
| Flash Point | 143.4ºC |
| Exact Mass | 150.02500 |
| PSA | 56.92000 |
| LogP | 2.13820 |
| Vapor Pressure | 0.00139mmHg at 25°C |
| Refractive Index | 1.641 |
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 3-(2-Thienyl)-1H-pyrazole?
The CAS number of 3-(2-Thienyl)-1H-pyrazole is 19933-24-5.
What are the molecular formula and molecular weight of 3-(2-Thienyl)-1H-pyrazole?
3-(2-Thienyl)-1H-pyrazole has molecular formula C7H6N2S and molecular weight 150.20100 g/mol.
What are the upstream and downstream products of 3-(2-Thienyl)-1H-pyrazole?
For 3-(2-Thienyl)-1H-pyrazole, Upstream Products: (E)-3-(Dimethylamino)-1-(thiophen-2-yl)prop-2-en-1-one, 2-Thiophenecarboxaldehyde, 2-Acetylthiophene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-(2-Thienyl)-1H-pyrazole (CAS 19933-24-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44181-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.