3-Methyl-5-(thiophen-2-yl)-1H-pyrazole
3-甲基-5-(噻吩-2-基)-1H-吡唑
Also known as: 3-METHYL-5-(2-THIENYL)-1H-PYRAZOLE, 1H-Pyrazole, 3-methyl-5-(2-thienyl)-, 3-methyl-5-(thiophen-2-yl)-1H-pyrazole, 5-methyl-3-thiophen-2-yl-1H-pyrazole, 3-Methyl-5-thien-2-yl-1H-pyrazole, 3-Methyl-5-thiophen-2-yl-pyrazole, 2-(3-methylpyrazol-5-yl)thiophene
- CAS No.
- 31618-80-1
- Jingsj CID
- J-1178296-4
- Molecular Formula
- C8H8N2S
- Chinese Name
- 3-甲基-5-(噻吩-2-基)-1H-吡唑
- Molecular Weight
- 164.22800 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 140-141ºC |
|---|---|
| Boiling Point | 335.3ºC at 760mmHg |
| Density | 1.243g/cm3 |
| Flash Point | 158.7ºC |
Frequently Asked Questions
What is the CAS number of 3-Methyl-5-(thiophen-2-yl)-1H-pyrazole?
31618-80-1
What are the molecular formula and molecular weight of 3-Methyl-5-(thiophen-2-yl)-1H-pyrazole?
C8H8N2S, molecular weight 164.22800 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026