4-Fluoro-1H-pyrrolo[2,3-b]pyridine

4-氟-1H-吡咯并[2,3-b]吡啶

Also known as: 4-Fluoro-7-azaindole, 1H-Pyrrolo[2,3-b]pyridine, 4-fluoro-, 4-Fluoro-1H-pyrrolo[2,3-b]pyridine

4-Fluoro-1H-pyrrolo[2,3-b]pyridine (CAS 640735-23-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5FN2 and a molecular weight of 136.126 g/mol. It is also known as 4-Fluoro-7-azaindole and 1H-Pyrrolo[2,3-b]pyridine, 4-fluoro-. Key properties include a melting point of 118-120ºC and a density of 1.4±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
640735-23-5
Jingsj CID
J-1494843-3
Molecular Formula
C7H5FN2
Chinese Name
4-氟-1H-吡咯并[2,3-b]吡啶
Molecular Weight
136.126 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point118-120ºC
Density1.4±0.1 g/cm3

Frequently Asked Questions

What is the CAS number of 4-Fluoro-1H-pyrrolo[2,3-b]pyridine?

The CAS number of 4-Fluoro-1H-pyrrolo[2,3-b]pyridine is 640735-23-5.

What are the molecular formula and molecular weight of 4-Fluoro-1H-pyrrolo[2,3-b]pyridine?

4-Fluoro-1H-pyrrolo[2,3-b]pyridine has molecular formula C7H5FN2 and molecular weight 136.126 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Fluoro-1H-pyrrolo[2,3-b]pyridine (CAS 640735-23-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1494843-3 (accessed 2026-10-22).

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