tert-Butyl 4-(4-methoxycarbonylphenyl)piperazine-1-carboxylate

1-Boc-4-(4-甲氧基甲酰苯基)哌嗪

Also known as: tert-Butyl 4-(4-methoxycarbonylphenyl)piperazine-1-carboxylate, 1-Boc-4-(4-methoxycarbonylphenyl)piperazine, Methyl 4-(4-(tert-butoxycarbonyl)piperazin-1-yl)benzoate, tert-Butyl 4-[4-(methoxycarbonyl)phenyl]tetrahydro-1(2H)-pyrazinecarboxylate, 1-Piperazinecarboxylic acid, 4-[4-(methoxycarbonyl)phenyl]-, 1,1-dimethylethyl ester

tert-Butyl 4-(4-methoxycarbonylphenyl)piperazine-1-carboxylate (CAS 158985-36-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C17H24N2O4 and a molecular weight of 320.384 g/mol. It is also known as 1-Boc-4-(4-methoxycarbonylphenyl)piperazine, Methyl 4-(4-(tert-butoxycarbonyl)piperazin-1-yl)benzoate and tert-Butyl 4-[4-(methoxycarbonyl)phenyl]tetrahydro-1(2H)-pyrazinecarboxylate. Key properties include a melting point of 166-167ºC, a boiling point of 451.7±40.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 227.0±27.3 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
158985-36-5
Jingsj CID
J-988872-2
Molecular Formula
C17H24N2O4
Chinese Name
1-Boc-4-(4-甲氧基甲酰苯基)哌嗪
Molecular Weight
320.384 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point166-167ºC
Boiling Point451.7±40.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point227.0±27.3 °C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of tert-Butyl 4-(4-methoxycarbonylphenyl)piperazine-1-carboxylate?

The CAS number of tert-Butyl 4-(4-methoxycarbonylphenyl)piperazine-1-carboxylate is 158985-36-5.

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

tert-Butyl 4-(4-methoxycarbonylphenyl)piperazine-1-carboxylate has molecular formula C17H24N2O4 and molecular weight 320.384 g/mol.

Is tert-Butyl 4-(4-methoxycarbonylphenyl)piperazine-1-carboxylate hazardous?

tert-Butyl 4-(4-methoxycarbonylphenyl)piperazine-1-carboxylate has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "tert-Butyl 4-(4-methoxycarbonylphenyl)piperazine-1-carboxylate (CAS 158985-36-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-988872-2 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.