1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

Also known as: 1-Isopropyl-1H-pyrazole-4-boronic acid pinacol ester, 1-(1-Methylethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1-(propan-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1-Isopropylpyrazole-4-boronic acid pinacol ester, 1-isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole, 2-(1-Isopropyl-1H-pyrazol-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 879487-10-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H21BN2O2 and a molecular weight of 236.118 g/mol. Key properties include a melting point of 43 °C, a boiling point of 327.3±15.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 151.7±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 879487-10-2
Jingsj CID: J-1477303-6
Molecular Formula: C₁₂H₂₁BN₂O₂
Molecular Weight: 236.118 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	43 °C
Boiling Point	327.3±15.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	151.7±20.4 °C
Exact Mass	236.169601
PSA	36.28000
LogP	1.76320
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.503

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-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole?

The CAS number of 1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole is 879487-10-2.

What are the molecular formula and molecular weight of 1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole?

1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole has molecular formula C12H21BN2O2 and molecular weight 236.118 g/mol.

What are the upstream and downstream products of 1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole?

For 1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, Upstream Products: 4-Bromo-1-isopropyl-1H-pyrazole, Bis(pinacolato)diboron, 2-Iodopropane.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 879487-10-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1477303-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.