4-Aminophenylboronic acid pinacol ester

Also known as: 2-(4-Aminophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)aniline, 4-Aminobenzeneboronic acid pinacol ester, 4-Aminophenylboronic acid pinacolate, 4-Aminophenylboronic acid pinacol cyclic ester

4-Aminophenylboronic acid pinacol ester (CAS 214360-73-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H18BNO2 and a molecular weight of 219.09 g/mol. Key properties include a melting point of 165-169 °C(lit.), a boiling point of 340.0±25.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 159.4±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 214360-73-3
Jingsj CID: J-44139-4
Molecular Formula: C₁₂H₁₈BNO₂
Molecular Weight: 219.09 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	165-169 °C(lit.)
Boiling Point	340.0±25.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	159.4±23.2 °C
Exact Mass	219.143066
PSA	44.48000
LogP	2.14920
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.517
Additional Property	Insoluble

Activity & Biological Data

Additional Information	[1]. Dai, Y., Hartandi, K., Ji, Z., et al al. Discovery of N-(4-(3-amino-1H-indazol-4-yl)phenyl)-N'-(2-fluoro-5-methylphenyl)urea (ABT-869), a 3-aminoindazole-based ORALLY ACTIVE MULTITARGED Receptor Tyrosine Kinase Inchibitorj. Chem.50 (7) 1584-1597 (2007). [2]. Paraiso, KHT, HAARBERG, He, Wood, E., ET Al.The HSP9 0 Inhibitor XL888 Overcomes Braf Inchibitor Resistance Mediated Through diverse mechanisms Clin. Cancer Res. 18(9) 2502-2514(2012).

Additional Information

[1]. Dai, Y., Hartandi, K., Ji, Z., et al al. Discovery of N-(4-(3-amino-1H-indazol-4-yl)phenyl)-N'-(2-fluoro-5-methylphenyl)urea (ABT-869), a 3-aminoindazole-based ORALLY ACTIVE MULTITARGED Receptor Tyrosine Kinase Inchibitorj. Chem.50 (7) 1584-1597 (2007). [2]. Paraiso, KHT, HAARBERG, He, Wood, E., ET Al.The HSP9 0 Inhibitor XL888 Overcomes Braf Inchibitor Resistance Mediated Through diverse mechanisms Clin. Cancer Res. 18(9) 2502-2514(2012).

Customs & Trade Information

HS Code	2931900090
Summary	2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Aminophenylboronic acid pinacol ester?

The CAS number of 4-Aminophenylboronic acid pinacol ester is 214360-73-3.

What are the molecular formula and molecular weight of 4-Aminophenylboronic acid pinacol ester?

4-Aminophenylboronic acid pinacol ester has molecular formula C12H18BNO2 and molecular weight 219.09 g/mol.

What are the upstream and downstream products of 4-Aminophenylboronic acid pinacol ester?

For 4-Aminophenylboronic acid pinacol ester, Upstream Products: 4-Bromoaniline, Pinacolborane, 4-Iodoaniline; Downstream Products: 2-Chloro-9-isopropyl-N-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-9H-purin-6-amine, 4'-Amino-[1,1'-biphenyl]-4-carboxylic acid, 1-Hydroxy-7-azabenzotriazole.

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. "4-Aminophenylboronic acid pinacol ester (CAS 214360-73-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44139-4 (accessed 2026-11-09).

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