tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-carboxylate

N-Boc-1H-吡唑-5-硼酸频那醇酯

Also known as: 1-(tert-Butoxycarbonyl)-1H-pyrazol-5-ylboronic acid pinacol ester, 1-Boc-1H-pyrazole-5-boronic acid pinacol ester, N-Boc-1H-pyrazole-5-boronic acid pinacol ester, tert-Butyl 5-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-carboxylate, A-3862, X0426

tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-carboxylate (CAS 1256359-17-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H23BN2O4 and a molecular weight of 294.15400 g/mol. It is also known as 1-(tert-Butoxycarbonyl)-1H-pyrazol-5-ylboronic acid pinacol ester, 1-Boc-1H-pyrazole-5-boronic acid pinacol ester and N-Boc-1H-pyrazole-5-boronic acid pinacol ester. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1256359-17-7
Jingsj CID: J-1388531-9
Molecular Formula: C₁₄H₂₃BN₂O₄
Chinese Name: N-Boc-1H-吡唑-5-硼酸频那醇酯
Molecular Weight: 294.15400 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-carboxylate?

The CAS number of tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-carboxylate is 1256359-17-7.

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

tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-carboxylate has molecular formula C14H23BN2O4 and molecular weight 294.15400 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-carboxylate (CAS 1256359-17-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1388531-9 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.