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

Also known as: 1-Tosyl-1H-pyrrolo[2,3-b]pyridine-3-boronic acid pinacol ester, 1-Tosyl-7-azaindole-3-boronic acid pinacol ester, 1-[(4-Methylphenyl)sulfonyl]-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine, 1-[(4-Methylbenzene)sulfonyl]-1H-pyrrolo[2,3-b]pyridine-3-boronic acid pinacol ester, 1-[(4-Methylphenyl)sulfonyl]-7-azaindole-3-boronic acid pinacol ester, 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine, 1-(4-Methylphenyl)sulfonyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrrolo[2,3-b]pyridine, 1-[(4-Methylphenyl)sulfonyl]-3-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine

3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine (CAS 866545-91-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C20H23BN2O4S and a molecular weight of 398.284 g/mol. Key properties include a boiling point of 572.0±60.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 299.8±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 866545-91-7
Jingsj CID: J-1342602-3
Molecular Formula: C₂₀H₂₃BN₂O₄S
Molecular Weight: 398.284 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	572.0±60.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	299.8±32.9 °C
Exact Mass	398.147156
PSA	78.80000
LogP	3.96170
Vapor Pressure	0.0±1.6 mmHg at 25°C
Refractive Index	1.596
Storage Conditions	-20°C

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. 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 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine?

The CAS number of 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine is 866545-91-7.

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

3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine has molecular formula C20H23BN2O4S and molecular weight 398.284 g/mol.

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

For 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine, Upstream Products: Bis(pinacolato)diboron, 3-bromo-1-(4-methylbenzenesulfonyl)-1H-pyrrolo[2,3-b]pyridine, 2,3-Dimethyl-2,3-butanediol.

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. "3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine (CAS 866545-91-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1342602-3 (accessed 2026-11-09).

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