tert-Butyl 4-(2-chloropyrimidin-4-yl)piperazine-1-carboxylate

2-氯-4-(4-Boc-1-哌嗪基)嘧啶

Also known as: 1-Boc-4-(2-chloropyrimidin-4-yl)piperazine, 2-Chloro-4-(4-Boc-1-piperazinyl)pyrimidine, 4-(2-Chloropyrimidin-4-yl)piperazine-1-carboxylic acid tert-butyl ester, tert-Butyl 4-(2-chloro-4-pyrimidinyl)-1-piperazinecarboxylate, 1-Piperazinecarboxylic acid, 4-(2-chloro-4-pyrimidinyl)-, 1,1-dimethylethyl ester

tert-Butyl 4-(2-chloropyrimidin-4-yl)piperazine-1-carboxylate (CAS 221050-88-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H19ClN4O2 and a molecular weight of 298.769 g/mol. It is also known as 1-Boc-4-(2-chloropyrimidin-4-yl)piperazine, 2-Chloro-4-(4-Boc-1-piperazinyl)pyrimidine and 4-(2-Chloropyrimidin-4-yl)piperazine-1-carboxylic acid tert-butyl ester. Key properties include a boiling point of 451.8±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 227.0±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
221050-88-0
Jingsj CID
J-1571156-6
Molecular Formula
C13H19ClN4O2
Chinese Name
2-氯-4-(4-Boc-1-哌嗪基)嘧啶
Molecular Weight
298.769 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point451.8±35.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point227.0±25.9 °C

Frequently Asked Questions

What is the CAS number of tert-Butyl 4-(2-chloropyrimidin-4-yl)piperazine-1-carboxylate?

The CAS number of tert-Butyl 4-(2-chloropyrimidin-4-yl)piperazine-1-carboxylate is 221050-88-0.

What are the molecular formula and molecular weight of tert-Butyl 4-(2-chloropyrimidin-4-yl)piperazine-1-carboxylate?

tert-Butyl 4-(2-chloropyrimidin-4-yl)piperazine-1-carboxylate has molecular formula C13H19ClN4O2 and molecular weight 298.769 g/mol.

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

Last updated:

How to cite: Jingsj. "tert-Butyl 4-(2-chloropyrimidin-4-yl)piperazine-1-carboxylate (CAS 221050-88-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1571156-6 (accessed 2026-10-22).

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