3-Bromo-1H-pyrazolo[3,4-b]pyrazine

Also known as: 3-bromo-2H-pyrazolo[3,4-b]pyrazine, 3-Bromo-4,7-diaza-1H-indazole, 3-bromopyrazolo<3,4-b>pyrazine, 3-BROMO-PYRAZOLO[3,4-B]PYRAZINE, 1H-Pyrazolo[3,4-b]pyrazine, 3-bromo-

3-Bromo-1H-pyrazolo[3,4-b]pyrazine (CAS 81411-68-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3BrN4 and a molecular weight of 199.008 g/mol. Key properties include a boiling point of 378.9±37.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 183.0±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 81411-68-9
Jingsj CID: J-1365881-6
Molecular Formula: C₅H₃BrN₄
Molecular Weight: 199.008 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	378.9±37.0 °C at 760 mmHg
Density	2.0±0.1 g/cm3
Flash Point	183.0±26.5 °C
Exact Mass	197.954102
PSA	54.46000
LogP	0.60
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.767

Frequently Asked Questions

What is the CAS number of 3-Bromo-1H-pyrazolo[3,4-b]pyrazine?

The CAS number of 3-Bromo-1H-pyrazolo[3,4-b]pyrazine is 81411-68-9.

What are the molecular formula and molecular weight of 3-Bromo-1H-pyrazolo[3,4-b]pyrazine?

3-Bromo-1H-pyrazolo[3,4-b]pyrazine has molecular formula C5H3BrN4 and molecular weight 199.008 g/mol.

What are the upstream and downstream products of 3-Bromo-1H-pyrazolo[3,4-b]pyrazine?

For 3-Bromo-1H-pyrazolo[3,4-b]pyrazine, Upstream Products: 3-Amino-N-hydroxy-2-pyrazinecarboximidamide, 1H-pyrazolo[3,4-b]pyrazin-3-amine, 3-Chloropyrazine-2-carbonitrile.

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. "3-Bromo-1H-pyrazolo[3,4-b]pyrazine (CAS 81411-68-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1365881-6 (accessed 2026-11-09).

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