1-tert-Butyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
1-(叔丁基)-4-(4,4,5,5-四甲基-1,3,2-二氧硼杂环戊烷-2-基)吡唑
Also known as: 1-tert-Butylpyrazole-4-boronic acid, pinacol ester, 1-t-Butylpyrazole-4-boronic acid, pinacol ester, (1-(tert-Butyl)-1H-pyrazol-4-yl)boronic acid pinacol ester, 1H-Pyrazole, 1-(1,1-dimethylethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, 1-tert-Butyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole
1-tert-Butyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1256359-15-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H23BN2O2 and a molecular weight of 250.14500 g/mol. It is also known as 1-tert-Butylpyrazole-4-boronic acid, pinacol ester, 1-t-Butylpyrazole-4-boronic acid, pinacol ester and (1-(tert-Butyl)-1H-pyrazol-4-yl)boronic acid pinacol ester. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1256359-15-5
- Jingsj CID
- J-1383205-2
- Molecular Formula
- C13H23BN2O2
- Chinese Name
- 1-(叔丁基)-4-(4,4,5,5-四甲基-1,3,2-二氧硼杂环戊烷-2-基)吡唑
- Molecular Weight
- 250.14500 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Exact Mass | 250.18500 |
|---|---|
| PSA | 36.28000 |
| LogP | 1.93730 |
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-tert-Butyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole?
The CAS number of 1-tert-Butyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole is 1256359-15-5.
What are the molecular formula and molecular weight of 1-tert-Butyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole?
1-tert-Butyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole has molecular formula C13H23BN2O2 and molecular weight 250.14500 g/mol.
What are the upstream and downstream products of 1-tert-Butyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole?
For 1-tert-Butyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, Upstream Products: 4-bromo-1-tert-butyl-1H-pyrazole, Bis(pinacolato)diboron, 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-tert-Butyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1256359-15-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1383205-2 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.