tert-Butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate

4-(6-氨基吡啶-3-基)哌嗪-1-羧酸叔丁酯

Also known as: 1-Boc-4-(6-aminopyridin-3-yl)piperazine, 4-(6-aminopyridin-3-yl)piperazine-1-carboxylic acid tert-butyl ester, Palbociclib intermediate 1, Ribociclib intermediate 4, tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate

tert-Butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate (CAS 571188-59-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H22N4O2 and a molecular weight of 278.350 g/mol. It is also known as 1-Boc-4-(6-aminopyridin-3-yl)piperazine, 4-(6-aminopyridin-3-yl)piperazine-1-carboxylic acid tert-butyl ester and Palbociclib intermediate 1. Key properties include a melting point of 130-132℃, a boiling point of 454.1±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 228.4±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 571188-59-5
Jingsj CID: J-883496-8
Molecular Formula: C₁₄H₂₂N₄O₂
Chinese Name: 4-(6-氨基吡啶-3-基)哌嗪-1-羧酸叔丁酯
Molecular Weight: 278.350 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	130-132℃
Boiling Point	454.1±45.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	228.4±28.7 °C

Frequently Asked Questions

What is the CAS number of tert-Butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate?

The CAS number of tert-Butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate is 571188-59-5.

What are the molecular formula and molecular weight of tert-Butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate?

tert-Butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate has molecular formula C14H22N4O2 and molecular weight 278.350 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "tert-Butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate (CAS 571188-59-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-883496-8 (accessed 2026-10-22).

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