3-Bromo-1-methyl-1H-pyrrolo[2,3-b]pyridine

3-溴-1-甲基-1H-吡咯并[2,3-b]吡啶

Also known as: 1-Methyl-3-bromo-7-azaindole, 3-Bromo-1-methyl-7-azaindole, 1H-Pyrrolo[2,3-b]pyridine, 3-bromo-1-methyl-, 3-Bromo-1-methylpyrrolo[2,3-b]pyridine

3-Bromo-1-methyl-1H-pyrrolo[2,3-b]pyridine (CAS 281192-91-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H7BrN2 and a molecular weight of 211.05900 g/mol. It is also known as 1-Methyl-3-bromo-7-azaindole, 3-Bromo-1-methyl-7-azaindole and 1H-Pyrrolo[2,3-b]pyridine, 3-bromo-1-methyl-. Key properties include a boiling point of 315.3±22.0 °C(Predicted), a density of 1.505 g/mL at 25 °C and a flash point of >110 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 281192-91-4
Jingsj CID: J-1154570-3
Molecular Formula: C₈H₇BrN₂
Chinese Name: 3-溴-1-甲基-1H-吡咯并[2,3-b]吡啶
Molecular Weight: 211.05900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	315.3±22.0 °C(Predicted)
Density	1.505 g/mL at 25 °C
Flash Point	>110 °C

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 3-Bromo-1-methyl-1H-pyrrolo[2,3-b]pyridine?

The CAS number of 3-Bromo-1-methyl-1H-pyrrolo[2,3-b]pyridine is 281192-91-4.

What are the molecular formula and molecular weight of 3-Bromo-1-methyl-1H-pyrrolo[2,3-b]pyridine?

3-Bromo-1-methyl-1H-pyrrolo[2,3-b]pyridine has molecular formula C8H7BrN2 and molecular weight 211.05900 g/mol.

Is 3-Bromo-1-methyl-1H-pyrrolo[2,3-b]pyridine hazardous?

3-Bromo-1-methyl-1H-pyrrolo[2,3-b]pyridine has GHS signal word Danger.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3-Bromo-1-methyl-1H-pyrrolo[2,3-b]pyridine (CAS 281192-91-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1154570-3 (accessed 2026-10-22).

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