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

1-(四氢吡喃-4-基)-1H-吡唑-4-硼酸频哪醇酯

Also known as: 1-(4-Tetrahydropyranyl)-1H-pyrazole-4-boronic acid pinacol ester, 1-(Tetrahydro-2H-pyran-4-yl)pyrazole-4-boronic acid pinacol ester, 1-(Tetrahydropyran-4-yl)-1H-pyrazole-4-boronic acid pinacol ester, 1-(Tetrahydropyran-4-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1-(oxan-4-yl)-4, 1-(oxan-4-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole, 1-(oxan-4-yl)-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1H-Pyrazole, 1-(tetrahydro-2H-pyran-4-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, 3-hydroxy-2,3-dimethylbutan-2-yl hydrogen (1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazol-4-yl)boronate

1-(Tetrahydro-2H-pyran-4-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1040377-03-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H23BN2O3 and a molecular weight of 278.155 g/mol. It is also known as 1-(4-Tetrahydropyranyl)-1H-pyrazole-4-boronic acid pinacol ester, 1-(Tetrahydro-2H-pyran-4-yl)pyrazole-4-boronic acid pinacol ester and 1-(Tetrahydropyran-4-yl)-1H-pyrazole-4-boronic acid pinacol ester. Key properties include a melting point of 115 °C, a boiling point of 413.8±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 204.1±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1040377-03-4
Jingsj CID
J-1503387-7
Molecular Formula
C14H23BN2O3
Chinese Name
1-(四氢吡喃-4-基)-1H-吡唑-4-硼酸频哪醇酯
Molecular Weight
278.155 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point115 °C
Boiling Point413.8±35.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point204.1±25.9 °C

Frequently Asked Questions

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

The CAS number of 1-(Tetrahydro-2H-pyran-4-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole is 1040377-03-4.

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

1-(Tetrahydro-2H-pyran-4-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole has molecular formula C14H23BN2O3 and molecular weight 278.155 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(Tetrahydro-2H-pyran-4-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1040377-03-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1503387-7 (accessed 2026-10-22).

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