Ethyl 3-(tert-butyl)-1-methyl-1H-pyrazole-5-carboxylate
3-(叔丁基)-1-甲基-1H-吡唑-5-羧酸乙酯
Also known as: Ethyl 3-tert-butyl-1-methylpyrazole-5-carboxylate, 5-tert-Butyl-2-methyl-2H-pyrazole-3-carboxylic acid ethyl ester, 1H-Pyrazole-5-carboxylic acid, 3-(1,1-dimethylethyl)-1-methyl-, ethyl ester, Ethyl 3-(tert-butyl)-1-methyl-1H-pyrazole-5-carboxylate
Ethyl 3-(tert-butyl)-1-methyl-1H-pyrazole-5-carboxylate (CAS 133261-10-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H18N2O2 and a molecular weight of 210.27300 g/mol. It is also known as Ethyl 3-tert-butyl-1-methylpyrazole-5-carboxylate, 5-tert-Butyl-2-methyl-2H-pyrazole-3-carboxylic acid ethyl ester and 1H-Pyrazole-5-carboxylic acid, 3-(1,1-dimethylethyl)-1-methyl-, ethyl ester. Key properties include a boiling point of 299.2ºC at 760 mmHg, a density of 1.04g/cm3 and a flash point of 134.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 133261-10-6
- Jingsj CID
- J-1591789-0
- Molecular Formula
- C11H18N2O2
- Chinese Name
- 3-(叔丁基)-1-甲基-1H-吡唑-5-羧酸乙酯
- Molecular Weight
- 210.27300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 299.2ºC at 760 mmHg |
|---|---|
| Density | 1.04g/cm3 |
| Flash Point | 134.8ºC |
Frequently Asked Questions
What is the CAS number of Ethyl 3-(tert-butyl)-1-methyl-1H-pyrazole-5-carboxylate?
The CAS number of Ethyl 3-(tert-butyl)-1-methyl-1H-pyrazole-5-carboxylate is 133261-10-6.
What are the molecular formula and molecular weight of Ethyl 3-(tert-butyl)-1-methyl-1H-pyrazole-5-carboxylate?
Ethyl 3-(tert-butyl)-1-methyl-1H-pyrazole-5-carboxylate has molecular formula C11H18N2O2 and molecular weight 210.27300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl 3-(tert-butyl)-1-methyl-1H-pyrazole-5-carboxylate (CAS 133261-10-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1591789-0 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.