5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)indolin-2-one

Also known as: 2-Oxoindoline-5-boronic acid pinacol ester, Oxindole-5-boronic acid pinacol ester, 1,3-Dihydro-indol-2-one-5-boronic acid pinacol ester, 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-dihydro-2H-indol-2-one, 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)oxindole, 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-dihydroindol-2-one, 5-(tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-indol-2-one, 5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1,3-dihydro-indol-2-one, 2-(Oxindole-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)indolin-2-one (CAS 837392-64-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H18BNO3 and a molecular weight of 259.10900 g/mol. Key properties include a melting point of 234 °C, a boiling point of 424.907ºC at 760 mmHg, a density of 1.163g/cm3 and a flash point of 210.776ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 837392-64-0
Jingsj CID: J-1154526-9
Molecular Formula: C₁₄H₁₈BNO₃
Molecular Weight: 259.10900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	234 °C
Boiling Point	424.907ºC at 760 mmHg
Density	1.163g/cm3
Flash Point	210.776ºC
Exact Mass	259.13800
PSA	47.56000
LogP	1.61840
Refractive Index	1.545

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 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)indolin-2-one?

The CAS number of 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)indolin-2-one is 837392-64-0.

What are the molecular formula and molecular weight of 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)indolin-2-one?

5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)indolin-2-one has molecular formula C14H18BNO3 and molecular weight 259.10900 g/mol.

What are the upstream and downstream products of 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)indolin-2-one?

For 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)indolin-2-one, Upstream Products: 5-Bromo-2-oxindole, Bis(pinacolato)diboron, Oxindole.

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-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)indolin-2-one (CAS 837392-64-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1154526-9 (accessed 2026-11-09).

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