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

2-氯-3-甲基吡咯并[2,3-b]吡啶

Also known as: 2-Chloro-3-methyl-7-azaindole, 1H-Pyrrolo[2,3-b]pyridine, 2-chloro-3-methyl-, 2-Chloro-3-methylpyrrolo[2,3-b]pyridine

2-Chloro-3-methyl-1H-pyrrolo[2,3-b]pyridine (CAS 145934-57-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H7ClN2 and a molecular weight of 166.608 g/mol. It is also known as 2-Chloro-3-methyl-7-azaindole, 1H-Pyrrolo[2,3-b]pyridine, 2-chloro-3-methyl- and 2-Chloro-3-methylpyrrolo[2,3-b]pyridine. Key properties include a boiling point of 315.9±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 174.1±12.1 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 145934-57-2
Jingsj CID: J-1507545-7
Molecular Formula: C₈H₇ClN₂
Chinese Name: 2-氯-3-甲基吡咯并[2,3-b]吡啶
Molecular Weight: 166.608 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	315.9±37.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	174.1±12.1 °C

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger

Frequently Asked Questions

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

The CAS number of 2-Chloro-3-methyl-1H-pyrrolo[2,3-b]pyridine is 145934-57-2.

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

2-Chloro-3-methyl-1H-pyrrolo[2,3-b]pyridine has molecular formula C8H7ClN2 and molecular weight 166.608 g/mol.

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

2-Chloro-3-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. "2-Chloro-3-methyl-1H-pyrrolo[2,3-b]pyridine (CAS 145934-57-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1507545-7 (accessed 2026-10-25).

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