3-ethenyl-1H-pyrrolo[2,3-b]pyridine

Also known as: 1H-Pyrrolo[2,3-b]pyridine, 3-ethenyl-, 1H-Pyrrolo[2,3-b]pyridine,3-ethenyl, 1H-Pyrrolo[2,3-b]pyridine,3-ethenyl-(9CI), 3-vinyl-1H-pyrrolo[2,3-b]pyridine

3-ethenyl-1H-pyrrolo[2,3-b]pyridine (CAS 145901-21-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8N2 and a molecular weight of 144.17300 g/mol. Key properties include a boiling point of 314.796ºC at 760 mmHg, a density of 1.191g/cm3 and a flash point of 141.695ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 145901-21-9
Jingsj CID: J-1504301-3
Molecular Formula: C₉H₈N₂
Molecular Weight: 144.17300 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	314.796ºC at 760 mmHg
Density	1.191g/cm3
Flash Point	141.695ºC
Exact Mass	144.06900
PSA	28.68000
LogP	2.20590
Vapor Pressure	0.001mmHg at 25°C
Refractive Index	1.715

Frequently Asked Questions

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

The CAS number of 3-ethenyl-1H-pyrrolo[2,3-b]pyridine is 145901-21-9.

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

3-ethenyl-1H-pyrrolo[2,3-b]pyridine has molecular formula C9H8N2 and molecular weight 144.17300 g/mol.

What are the upstream and downstream products of 3-ethenyl-1H-pyrrolo[2,3-b]pyridine?

For 3-ethenyl-1H-pyrrolo[2,3-b]pyridine, Upstream Products: 7-Azaindole-3-carboxaldehyde, Malonic acid.

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-ethenyl-1H-pyrrolo[2,3-b]pyridine (CAS 145901-21-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504301-3 (accessed 2026-11-09).

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