2-(5,6-Dihydro-2H-pyran-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

2-(5,6-二氢-2H-吡喃-3-基)-4,4,5,5-四甲基-1,3,2-二氧杂硼烷

Also known as: (5,6-Dihydro-2H-pyran-3-yl)boronic acid pinacol ester, 2-(3,6-dihydro-2H-pyran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 3,6-dihydropyran-5-boronic ester, 5,6-Dihydro-2H-pyran-3-boronic Acid Pinacol Ester, 2H-Pyran, 3,6-dihydro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-

2-(5,6-Dihydro-2H-pyran-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 212127-81-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H19BO3 and a molecular weight of 210.07800 g/mol. It is also known as (5,6-Dihydro-2H-pyran-3-yl)boronic acid pinacol ester, 2-(3,6-dihydro-2H-pyran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane and 3,6-dihydropyran-5-boronic ester. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
212127-81-6
Jingsj CID
J-1099909-7
Molecular Formula
C11H19BO3
Chinese Name
2-(5,6-二氢-2H-吡喃-3-基)-4,4,5,5-四甲基-1,3,2-二氧杂硼烷
Molecular Weight
210.07800 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of 2-(5,6-Dihydro-2H-pyran-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?

The CAS number of 2-(5,6-Dihydro-2H-pyran-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is 212127-81-6.

What are the molecular formula and molecular weight of 2-(5,6-Dihydro-2H-pyran-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?

2-(5,6-Dihydro-2H-pyran-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane has molecular formula C11H19BO3 and molecular weight 210.07800 g/mol.

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

Last updated:

How to cite: Jingsj. "2-(5,6-Dihydro-2H-pyran-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 212127-81-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1099909-7 (accessed 2026-10-26).

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