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4,4,5,5-Tetramethyl-2-(4-(methylsulfinyl)phenyl)-1,3,2-dioxaborolane

Also known as: 4-Methylsulfinylphenylboronic acid pinacol ester, 4-Methylsulfinylphenylboronic acid, pinacol ester, 4,4,5,5-Tetramethyl-2-(4-methylsulfinylphenyl)-1,3,2-dioxaborolane, 1,3,2-Dioxaborolane, 4,4,5,5-tetramethyl-2-[4-(methylsulfinyl)phenyl]-

4,4,5,5-Tetramethyl-2-(4-(methylsulfinyl)phenyl)-1,3,2-dioxaborolane (CAS 1016641-70-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H19BO3S and a molecular weight of 266.16400 g/mol. Key property: a boiling point of 399.2±25.0 °C at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1016641-70-5
Jingsj CID
J-1461744-8
Molecular Formula
C13H19BO3S
Molecular Weight
266.16400 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point399.2±25.0 °C at 760 mmHg
Exact Mass266.11500
PSA54.74000
LogP2.58890

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 4,4,5,5-Tetramethyl-2-(4-(methylsulfinyl)phenyl)-1,3,2-dioxaborolane?

The CAS number of 4,4,5,5-Tetramethyl-2-(4-(methylsulfinyl)phenyl)-1,3,2-dioxaborolane is 1016641-70-5.

What are the molecular formula and molecular weight of 4,4,5,5-Tetramethyl-2-(4-(methylsulfinyl)phenyl)-1,3,2-dioxaborolane?

4,4,5,5-Tetramethyl-2-(4-(methylsulfinyl)phenyl)-1,3,2-dioxaborolane has molecular formula C13H19BO3S and molecular weight 266.16400 g/mol.

What are the upstream and downstream products of 4,4,5,5-Tetramethyl-2-(4-(methylsulfinyl)phenyl)-1,3,2-dioxaborolane?

For 4,4,5,5-Tetramethyl-2-(4-(methylsulfinyl)phenyl)-1,3,2-dioxaborolane, Upstream Products: 1-bromo-4-(methylsulfinyl)benzene, Bis(pinacolato)diboron, 4,4,5,5-Tetramethyl-2-[4-(methylthio)phenyl]-1,3,2-dioxaborolane.

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

Last updated:

How to cite: Jingsj. "4,4,5,5-Tetramethyl-2-(4-(methylsulfinyl)phenyl)-1,3,2-dioxaborolane (CAS 1016641-70-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1461744-8 (accessed 2026-11-09).

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