1-(Triisopropylsilyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole

Also known as: 1-Tris(isopropylsilyl)-1H-indole-4-boronic acid, pinacol ester, tri(propan-2-yl)-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)indol-1-yl]silane, 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(triisopropylsilyl)-1H-indole, 1-(Triisopropylsilyl)-1H-indole-4-boronic acid pinacol ester

1-(Triisopropylsilyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole (CAS 690632-17-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C23H38BNO2Si and a molecular weight of 399.45000 g/mol. Key properties include a boiling point of 433.7ºC at 760 mmHg, a density of 0.98g/cm3 and a flash point of 216.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 690632-17-8
Jingsj CID: J-1558568-9
Molecular Formula: C₂₃H₃₈BNO₂Si
Molecular Weight: 399.45000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	433.7ºC at 760 mmHg
Density	0.98g/cm3
Flash Point	216.1ºC
Exact Mass	399.27600
PSA	23.39000
LogP	5.96410
Refractive Index	1.505

Frequently Asked Questions

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

The CAS number of 1-(Triisopropylsilyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole is 690632-17-8.

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

1-(Triisopropylsilyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole has molecular formula C23H38BNO2Si and molecular weight 399.45000 g/mol.

What are the upstream and downstream products of 1-(Triisopropylsilyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole?

For 1-(Triisopropylsilyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole, Upstream Products: Chlorotriisopropylsilane, Indole-4-boronic acid pinacol ester.

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. "1-(Triisopropylsilyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole (CAS 690632-17-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1558568-9 (accessed 2026-11-09).

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