Quinoline-3-boronic acid pinacol ester

Also known as: 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)quinoline, 3-Quinolineboronic acid pinacol ester, Quinoline-3-boronic acid pinacolate, 4,4,5,5-Tetramethyl-2-(3-quinolyl)-1,3,2-dioxaborolane, MFCD05155218, AKOS BRN-1143, Quinoline, 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-

Quinoline-3-boronic acid pinacol ester (CAS 171364-85-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C15H18BNO2 and a molecular weight of 255.120 g/mol. Key properties include a melting point of 56-60ºC(lit.), a boiling point of 386.5±15.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 187.5±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 171364-85-5
Jingsj CID: J-1022823-6
Molecular Formula: C₁₅H₁₈BNO₂
Molecular Weight: 255.120 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	56-60ºC(lit.)
Boiling Point	386.5±15.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	187.5±20.4 °C
Exact Mass	255.143066
PSA	31.35000
LogP	2.53400
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.559

Customs & Trade Information

HS Code	2933499090
Summary	2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. 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 Quinoline-3-boronic acid pinacol ester?

The CAS number of Quinoline-3-boronic acid pinacol ester is 171364-85-5.

What are the molecular formula and molecular weight of Quinoline-3-boronic acid pinacol ester?

Quinoline-3-boronic acid pinacol ester has molecular formula C15H18BNO2 and molecular weight 255.120 g/mol.

What are the upstream and downstream products of Quinoline-3-boronic acid pinacol ester?

For Quinoline-3-boronic acid pinacol ester, Upstream Products: 3-Aminoquinoline, Bis(pinacolato)diboron, leucoline; Downstream Products: 3-ethenylquinoline.

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. "Quinoline-3-boronic acid pinacol ester (CAS 171364-85-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1022823-6 (accessed 2026-11-09).

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