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

3-硝基-7-氮杂吲哚

Also known as: 3-Nitro-7-azaindole, 1H-Pyrrolo[2,3-b]pyridine, 3-nitro-, 3-nitro-1H-pyrrolo[2,3-b]pyridine, 3-Nitro-1H-pyrrolo[2,3-b]pyridin

3-Nitro-1H-pyrrolo[2,3-b]pyridine (CAS 23709-47-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5N3O2 and a molecular weight of 163.133 g/mol. It is also known as 3-Nitro-7-azaindole, 1H-Pyrrolo[2,3-b]pyridine, 3-nitro- and 3-nitro-1H-pyrrolo[2,3-b]pyridine. Key properties include a melting point of >300ºC, a boiling point of 386.2ºC at 760mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 187.3ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
23709-47-9
Jingsj CID
J-1371157-5
Molecular Formula
C7H5N3O2
Chinese Name
3-硝基-7-氮杂吲哚
Molecular Weight
163.133 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point>300ºC
Boiling Point386.2ºC at 760mmHg
Density1.5±0.1 g/cm3
Flash Point187.3ºC

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

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

The CAS number of 3-Nitro-1H-pyrrolo[2,3-b]pyridine is 23709-47-9.

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

3-Nitro-1H-pyrrolo[2,3-b]pyridine has molecular formula C7H5N3O2 and molecular weight 163.133 g/mol.

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

3-Nitro-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:

How to cite: Jingsj. "3-Nitro-1H-pyrrolo[2,3-b]pyridine (CAS 23709-47-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1371157-5 (accessed 2026-10-22).

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