1,3-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
Also known as: 1,3-Dimethyl-1H-pyrazole-4-boronic acid pinacol ester, 1,3-Dimethylpyrazole-4-boronic acid pinacol ester, 1,3-Dimethyl-1H-pyrazol-4-ylboronic acid pinacol ester, 2-(1,3-Dimethyl-1H-pyrazol-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
1,3-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1046832-21-6) 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. Key properties include a melting point of 75 °C, a boiling point of 322.3±30.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 148.7±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1046832-21-6
- Jingsj CID
- J-1011534-1
- Molecular Formula
- C11H19BN2O2
- Molecular Weight
- 222.092 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 75 °C |
|---|---|
| Boiling Point | 322.3±30.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 148.7±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 |
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 1,3-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole?
The CAS number of 1,3-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole is 1046832-21-6.
What are the molecular formula and molecular weight of 1,3-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole?
1,3-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole has molecular formula C11H19BN2O2 and molecular weight 222.092 g/mol.
What are the upstream and downstream products of 1,3-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole?
For 1,3-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, Upstream Products: 4-bromo-1,3-dimethyl-1H-pyrazole, 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, Bis(pinacolato)diboron.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1046832-21-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1011534-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.