tert-Butyl 4-(3-formyl-4-hydroxyphenyl)piperazine-1-carboxylate

Also known as: 1-Boc-4-(3-formyl-4-hydroxyphenyl)piperazine, 5-(4-tert-butoxycarbonylpiperazin-1-yl)-2-hydroxybenzaldehyde, 1-Piperazinecarboxylic acid, 4-(3-formyl-4-hydroxyphenyl)-, 1,1-dimethylethyl ester, 2-Methyl-2-propanyl 4-(3-formyl-4-hydroxyphenyl)-1-piperazinecarboxylate, 4-(3-Formyl-4-hydroxyphenyl)piperazine-1-carboxylic acid tert-butyl ester

tert-Butyl 4-(3-formyl-4-hydroxyphenyl)piperazine-1-carboxylate (CAS 343306-50-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H22N2O4 and a molecular weight of 306.357 g/mol. Key properties include a boiling point of 463.4±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 234.1±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 343306-50-3
Jingsj CID: J-1512518-5
Molecular Formula: C₁₆H₂₂N₂O₄
Molecular Weight: 306.357 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	463.4±45.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	234.1±28.7 °C
Exact Mass	306.157959
PSA	70.08000
LogP	1.65
Vapor Pressure	0.0±1.2 mmHg at 25°C
Refractive Index	1.582

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-(3-formyl-4-hydroxyphenyl)piperazine-1-carboxylate?

The CAS number of tert-Butyl 4-(3-formyl-4-hydroxyphenyl)piperazine-1-carboxylate is 343306-50-3.

What are the molecular formula and molecular weight of tert-Butyl 4-(3-formyl-4-hydroxyphenyl)piperazine-1-carboxylate?

tert-Butyl 4-(3-formyl-4-hydroxyphenyl)piperazine-1-carboxylate has molecular formula C16H22N2O4 and molecular weight 306.357 g/mol.

What are the upstream and downstream products of tert-Butyl 4-(3-formyl-4-hydroxyphenyl)piperazine-1-carboxylate?

For tert-Butyl 4-(3-formyl-4-hydroxyphenyl)piperazine-1-carboxylate, Upstream Products: 5-Bromosalicylaldehyde, 1-Boc-piperazine, Tri-tert-butylphosphine; Downstream Products: tert-Butyl 4-(2-carbamoylbenzofuran-5-yl)piperazine-1-carboxylate.

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-(3-formyl-4-hydroxyphenyl)piperazine-1-carboxylate (CAS 343306-50-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1512518-5 (accessed 2026-11-09).

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