1,3-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
1,3-二甲基-1H-吡唑-5-硼酸频哪醇酯
Also known as: 1,3-Dimethylpyrazole-5-boronic acid pinacol ester, 1,3-Dimethyl-1H-pyrazole-5-boronic acid pinacol ester, 1,3-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole, 1,3-dimethyl-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1H-Pyrazole, 1,3-dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-
1,3-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 847818-79-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H19BN2O2 and a molecular weight of 222.092 g/mol. It is also known as 1,3-Dimethylpyrazole-5-boronic acid pinacol ester, 1,3-Dimethyl-1H-pyrazole-5-boronic acid pinacol ester and 1,3-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole. Key properties include a boiling point of 326.7±30.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 151.4±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 847818-79-5
- Jingsj CID
- J-1511023-3
- Molecular Formula
- C11H19BN2O2
- Chinese Name
- 1,3-二甲基-1H-吡唑-5-硼酸频哪醇酯
- Molecular Weight
- 222.092 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 326.7±30.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 151.4±24.6 °C |
| Exact Mass | 222.153961 |
| PSA | 36.28000 |
| LogP | 1.02770 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.504 |
| Storage Conditions | 2-8°C |
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 1,3-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole?
The CAS number of 1,3-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole is 847818-79-5.
What are the molecular formula and molecular weight of 1,3-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole?
1,3-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole has molecular formula C11H19BN2O2 and molecular weight 222.092 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 847818-79-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1511023-3 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.