4-bromo-1-tert-butyl-1H-pyrazole
4-溴-1-叔丁基-1H-吡唑
Also known as: 1-tert-butyl-4-bromopyrazole, 4-bromo-1-(tert-butyl)-1H-pyrazole, 4-bromo-1-t-butylpyrazole, 1H-pyrazole, 4-bromo-1-(1,1-dimethylethyl)-
4-bromo-1-tert-butyl-1H-pyrazole (CAS 70951-85-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H11BrN2 and a molecular weight of 203.08000 g/mol. It is also known as 1-tert-butyl-4-bromopyrazole, 4-bromo-1-(tert-butyl)-1H-pyrazole and 4-bromo-1-t-butylpyrazole. Key property: a boiling point of 229.8±13.0°C at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 70951-85-8
- Jingsj CID
- J-1356574-1
- Molecular Formula
- C7H11BrN2
- Chinese Name
- 4-溴-1-叔丁基-1H-吡唑
- Molecular Weight
- 203.08000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 229.8±13.0°C at 760 mmHg |
|---|---|
| Exact Mass | 202.01100 |
| PSA | 17.82000 |
| LogP | 2.40060 |
Customs & Trade Information
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. 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 4-bromo-1-tert-butyl-1H-pyrazole?
The CAS number of 4-bromo-1-tert-butyl-1H-pyrazole is 70951-85-8.
What are the molecular formula and molecular weight of 4-bromo-1-tert-butyl-1H-pyrazole?
4-bromo-1-tert-butyl-1H-pyrazole has molecular formula C7H11BrN2 and molecular weight 203.08000 g/mol.
What are the upstream and downstream products of 4-bromo-1-tert-butyl-1H-pyrazole?
For 4-bromo-1-tert-butyl-1H-pyrazole, Upstream Products: 1-tert-Butyl-1H-pyrazole; Downstream Products: 1-tert-Butyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-bromo-1-tert-butyl-1H-pyrazole (CAS 70951-85-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356574-1 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.