5-Bromo-2-(piperazin-1-yl)pyrimidine

Also known as: 5-Bromo-2-piperazinopyrimidine, 5-Bromo-2-(1-piperazinyl)pyrimidine, 1-(5-Bromopyrimidin-2-yl)piperazine, (5-Bromopyrimidin-2-yl)piperazine, 5-bromo-2-piperazin-1-ylpyrimidine, 5-bromo-2-(piperazin-4-ium-1-yl)pyrimidine, MFCD00202977

5-Bromo-2-(piperazin-1-yl)pyrimidine (CAS 99931-82-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H11BrN4 and a molecular weight of 243.10400 g/mol. Key properties include a melting point of 77ºC, a boiling point of 383.4ºC at 760 mmHg, a density of 1.516 g/cm3 and a flash point of 185.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 99931-82-5
Jingsj CID: J-1179301-4
Molecular Formula: C₈H₁₁BrN₄
Molecular Weight: 243.10400 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	77ºC
Boiling Point	383.4ºC at 760 mmHg
Density	1.516 g/cm3
Flash Point	185.7ºC
Exact Mass	242.01700
PSA	41.05000
LogP	1.04250
Storage Conditions	Room temperature.

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 5-Bromo-2-(piperazin-1-yl)pyrimidine?

The CAS number of 5-Bromo-2-(piperazin-1-yl)pyrimidine is 99931-82-5.

What are the molecular formula and molecular weight of 5-Bromo-2-(piperazin-1-yl)pyrimidine?

5-Bromo-2-(piperazin-1-yl)pyrimidine has molecular formula C8H11BrN4 and molecular weight 243.10400 g/mol.

What are the upstream and downstream products of 5-Bromo-2-(piperazin-1-yl)pyrimidine?

For 5-Bromo-2-(piperazin-1-yl)pyrimidine, Upstream Products: 2-(1-Piperazinyl)pyrimidine; Downstream Products: 5-(Benzyloxy)-2-(piperazin-1-yl)pyrimidine, 2-[4-(5-bromopyrimidin-2-yl)piperazin-1-yl]ethanol.

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. "5-Bromo-2-(piperazin-1-yl)pyrimidine (CAS 99931-82-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1179301-4 (accessed 2026-11-09).

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