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2-(4-(tert-Butoxycarbonyl)piperazin-1-yl)acetic acid

Also known as: 4-Boc-1-piperazineacetic acid, 1-Boc-4-carboxymethylpiperazine, Boc-4-carboxymethylpiperazine, 4-Carboxymethylpiperazine-1-carboxylic acid tert-butyl ester, tert-Butyl 4-(carboxymethyl)piperazine-1-carboxylate, [4-(tert-Butoxycarbonyl)piperazin-1-yl]acetic acid

2-(4-(tert-Butoxycarbonyl)piperazin-1-yl)acetic acid (CAS 156478-71-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H20N2O4 and a molecular weight of 244.288 g/mol. Key properties include a boiling point of 365.5±37.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 174.9±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
156478-71-6
Jingsj CID
J-1139173-4
Molecular Formula
C11H20N2O4
Molecular Weight
244.288 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point365.5±37.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point174.9±26.5 °C
Exact Mass244.142303
PSA70.08000
LogP0.92
Vapor Pressure0.0±1.7 mmHg at 25°C
Refractive Index1.501
Storage Conditions2~8℃

Customs & Trade Information

HS Code2933599090
Summary2933599090. 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 2-(4-(tert-Butoxycarbonyl)piperazin-1-yl)acetic acid?

The CAS number of 2-(4-(tert-Butoxycarbonyl)piperazin-1-yl)acetic acid is 156478-71-6.

What are the molecular formula and molecular weight of 2-(4-(tert-Butoxycarbonyl)piperazin-1-yl)acetic acid?

2-(4-(tert-Butoxycarbonyl)piperazin-1-yl)acetic acid has molecular formula C11H20N2O4 and molecular weight 244.288 g/mol.

What are the upstream and downstream products of 2-(4-(tert-Butoxycarbonyl)piperazin-1-yl)acetic acid?

For 2-(4-(tert-Butoxycarbonyl)piperazin-1-yl)acetic acid, Upstream Products: tert-butyl 4-(2-ethoxy-2-oxoethyl)piperazine-1-carboxylate, Potassium bisulfate, 1-Boc-piperazine.

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

Last updated:

How to cite: Jingsj. "2-(4-(tert-Butoxycarbonyl)piperazin-1-yl)acetic acid (CAS 156478-71-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1139173-4 (accessed 2026-11-09).

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