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4-nitro-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid

4-硝基-7-氮杂吲哚-3-羧酸

Also known as: 4-nitro-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid, 4-nitro-7-azaindole-3-carboxylic acid, 1H-Pyrrolo[2,3-b]pyridine-3-carboxylic acid, 4-nitro-

4-nitro-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid (CAS 1000340-44-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H5N3O4 and a molecular weight of 207.143 g/mol. It is also known as 4-nitro-7-azaindole-3-carboxylic acid and 1H-Pyrrolo[2,3-b]pyridine-3-carboxylic acid, 4-nitro-. Key properties include a boiling point of 550.2±45.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 286.6±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1000340-44-2
Jingsj CID
J-1055956-1
Molecular Formula
C8H5N3O4
Chinese Name
4-硝基-7-氮杂吲哚-3-羧酸
Molecular Weight
207.143 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point550.2±45.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point286.6±28.7 °C

Frequently Asked Questions

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

The CAS number of 4-nitro-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid is 1000340-44-2.

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

4-nitro-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid has molecular formula C8H5N3O4 and molecular weight 207.143 g/mol.

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

Last updated:

How to cite: Jingsj. "4-nitro-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid (CAS 1000340-44-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1055956-1 (accessed 2026-10-25).

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