5-Bromo-1H-pyrazolo[3,4-b]pyridine

5-溴-1H-吡唑并[3,4-b]吡啶

Also known as: 5-Bromopyrazolo[3,4-b]pyridine, 1H-Pyrazolo[3,4-b]pyridine, 5-bromo-, 7-Aza-5-bromo-1H-indole, 5-bromo-1H-pyrazoio[3,4-b]pyridine, EOS-61661

5-Bromo-1H-pyrazolo[3,4-b]pyridine (CAS 875781-17-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4BrN3 and a molecular weight of 198.02 g/mol. It is also known as 5-Bromopyrazolo[3,4-b]pyridine, 1H-Pyrazolo[3,4-b]pyridine, 5-bromo- and 7-Aza-5-bromo-1H-indole. Key properties include a melting point of 198.0 to 202.0 °C, a boiling point of 329.0±22.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 152.8±22.3 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
875781-17-2
Jingsj CID
J-1962200-0
Molecular Formula
C6H4BrN3
Chinese Name
5-溴-1H-吡唑并[3,4-b]吡啶
Molecular Weight
198.02 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point198.0 to 202.0 °C
Boiling Point329.0±22.0 °C at 760 mmHg
Density1.9±0.1 g/cm3
Flash Point152.8±22.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 5-Bromo-1H-pyrazolo[3,4-b]pyridine?

The CAS number of 5-Bromo-1H-pyrazolo[3,4-b]pyridine is 875781-17-2.

What are the molecular formula and molecular weight of 5-Bromo-1H-pyrazolo[3,4-b]pyridine?

5-Bromo-1H-pyrazolo[3,4-b]pyridine has molecular formula C6H4BrN3 and molecular weight 198.02 g/mol.

Is 5-Bromo-1H-pyrazolo[3,4-b]pyridine hazardous?

5-Bromo-1H-pyrazolo[3,4-b]pyridine has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "5-Bromo-1H-pyrazolo[3,4-b]pyridine (CAS 875781-17-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1962200-0 (accessed 2026-10-22).

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