1-(tert-Butyl)-1H-pyrazole-4-carbonitrile
1-叔丁基-4-氰基-1H-吡唑
Also known as: 1-tert-butyl-1H-pyrazole-4-carbonitrile, 1-tert-butylpyrazole-4-carbonitrile, QC-4499, 1H-Pyrazole-4-carbonitrile, 1-(1,1-dimethylethyl)-
1-(tert-Butyl)-1H-pyrazole-4-carbonitrile (CAS 149139-43-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H11N3 and a molecular weight of 149.19300 g/mol. It is also known as 1-tert-butyl-1H-pyrazole-4-carbonitrile, 1-tert-butylpyrazole-4-carbonitrile and QC-4499. Key property: a boiling point of 251.0±13.0°C at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 149139-43-5
- Jingsj CID
- J-1187153-6
- Molecular Formula
- C8H11N3
- Chinese Name
- 1-叔丁基-4-氰基-1H-吡唑
- Molecular Weight
- 149.19300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 251.0±13.0°C at 760 mmHg |
|---|
Frequently Asked Questions
What is the CAS number of 1-(tert-Butyl)-1H-pyrazole-4-carbonitrile?
The CAS number of 1-(tert-Butyl)-1H-pyrazole-4-carbonitrile is 149139-43-5.
What are the molecular formula and molecular weight of 1-(tert-Butyl)-1H-pyrazole-4-carbonitrile?
1-(tert-Butyl)-1H-pyrazole-4-carbonitrile has molecular formula C8H11N3 and molecular weight 149.19300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-(tert-Butyl)-1H-pyrazole-4-carbonitrile (CAS 149139-43-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1187153-6 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.