1-Methyl-3-(2-thienyl)-1H-pyrazol-5-amine
Also known as: 1-Methyl-3-(thiophen-2-yl)-1H-pyrazol-5-amine, 1-Methyl-3-thien-2-yl-1H-pyrazol-5-amine, 1-methyl-3-(2-thienyl)-1H-pyrazole-5-amine, 1-methyl-3-(2-thienyl)pyrazole-5-ylamine, 1H-Pyrazol-5-amine,1-methyl-3-(2-thienyl), 2-methyl-5-thiophen-2-yl-3-pyrazolamine, 2-methyl-5-thiophen-2-ylpyrazol-3-amine, 5-AMINO-1-METHYL-3-(2-THIENYL)PYRAZOLE, 5-amino-1-methyl-3-(thien-2-yl)pyrazole
1-Methyl-3-(2-thienyl)-1H-pyrazol-5-amine (CAS 118430-78-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9N3S and a molecular weight of 179.24200 g/mol. Key properties include a melting point of 137-140ºC, a boiling point of 370.3ºC at 760mmHg, a density of 1.37g/cm3 and a flash point of 177.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 118430-78-7
- Jingsj CID
- J-1138306-5
- Molecular Formula
- C8H9N3S
- Molecular Weight
- 179.24200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 137-140ºC |
|---|---|
| Boiling Point | 370.3ºC at 760mmHg |
| Density | 1.37g/cm3 |
| Flash Point | 177.7ºC |
| Exact Mass | 179.05200 |
| PSA | 72.08000 |
| LogP | 2.31200 |
| Vapor Pressure | 1.12E-05mmHg at 25°C |
| Refractive Index | 1.709 |
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 1-Methyl-3-(2-thienyl)-1H-pyrazol-5-amine?
The CAS number of 1-Methyl-3-(2-thienyl)-1H-pyrazol-5-amine is 118430-78-7.
What are the molecular formula and molecular weight of 1-Methyl-3-(2-thienyl)-1H-pyrazol-5-amine?
1-Methyl-3-(2-thienyl)-1H-pyrazol-5-amine has molecular formula C8H9N3S and molecular weight 179.24200 g/mol.
What are the upstream and downstream products of 1-Methyl-3-(2-thienyl)-1H-pyrazol-5-amine?
For 1-Methyl-3-(2-thienyl)-1H-pyrazol-5-amine, Upstream Products: 3-Oxo-3-(2-thienyl)propionitrile.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Methyl-3-(2-thienyl)-1H-pyrazol-5-amine (CAS 118430-78-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1138306-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.