tert-Butyl 4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-1-carboxylate

Also known as: 4-(4-Boc-piperazino)phenylboronic acid pinacol ester, 4-(4-Boc-piperazinyl)phenylboronic acid pinacol ester, 4-(4-tert-Butoxycarbonylpiperazinyl)phenylboronic acid pinacol ester, 4-(4-tert-Butoxycarbonylpiperazin-1-yl)phenylboronic acid pinacol ester, 4-[4-(N-Boc)piperazin-1-yl]phenylboronic acid pinacol ester, 4-(4-Boc-1-piperazinyl)phenylboronic acid pinacol ester, 1-Piperazinecarboxylic acid, 4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-, 1,1-dimethylethyl ester, tert-Butyl 4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]piperazine-1-carboxylate, 4-(4-tert-ブトキシカルボニルピペラジニル)フェニルボロン酸、ピナコールエステル

tert-Butyl 4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-1-carboxylate (CAS 470478-90-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H33BN2O4 and a molecular weight of 388.309 g/mol. Key properties include a melting point of 157ºC, a boiling point of 501.7±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 257.2±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 470478-90-1
Jingsj CID: J-1921301-5
Molecular Formula: C₂₁H₃₃BN₂O₄
Molecular Weight: 388.309 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	157ºC
Boiling Point	501.7±45.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	257.2±28.7 °C
Exact Mass	388.253326
PSA	51.24000
LogP	3.04580
Vapor Pressure	0.0±1.3 mmHg at 25°C
Refractive Index	1.536
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. 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 tert-Butyl 4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-1-carboxylate?

The CAS number of tert-Butyl 4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-1-carboxylate is 470478-90-1.

What are the molecular formula and molecular weight of tert-Butyl 4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-1-carboxylate?

tert-Butyl 4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-1-carboxylate has molecular formula C21H33BN2O4 and molecular weight 388.309 g/mol.

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. "tert-Butyl 4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-1-carboxylate (CAS 470478-90-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1921301-5 (accessed 2026-11-09).

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