5-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine

Also known as: 5-Chloro-1-tosyl-7-azaindole-3-boronic acid pinacol ester, 5-Chloro-1-[(4-methylphenyl)sulfonyl]-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine, 1H-Pyrrolo[2,3-b]pyridine, 5-chloro-1-[(4-methylphenyl)sulfonyl]-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl), 5-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(p-tolylsulfonyl)-1H-pyrrolo[2,3-b]pyridine

5-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine (CAS 866546-11-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C20H22BClN2O4S and a molecular weight of 432.729 g/mol. Key properties include a boiling point of 584.5±60.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 307.3±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 866546-11-4
Jingsj CID: J-1965048-7
Molecular Formula: C₂₀H₂₂BClN₂O₄S
Molecular Weight: 432.729 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	584.5±60.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	307.3±32.9 °C
Exact Mass	432.108185
PSA	78.80000
LogP	4.61510
Vapor Pressure	0.0±1.6 mmHg at 25°C
Refractive Index	1.605
Storage Conditions	2~8℃

Frequently Asked Questions

What is the CAS number of 5-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine?

The CAS number of 5-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine is 866546-11-4.

What are the molecular formula and molecular weight of 5-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine?

5-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine has molecular formula C20H22BClN2O4S and molecular weight 432.729 g/mol.

What are the upstream and downstream products of 5-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine?

For 5-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine, Upstream Products: 3-bromo-5-chloro-1-[(4-methylphenyl)sulfonyl]-1H-pyrrolo[2,3-b]pyridine, Bis(pinacolato)diboron, 2-Amino-5-chloropyridine.

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. "5-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine (CAS 866546-11-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1965048-7 (accessed 2026-11-09).

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