1H-Pyrrolo[2,3-b]pyridine-2-carboxylic acid

Also known as: 7-Azaindole-2-carboxylic acid, 1H-Pyrrolo[2,3-b]pyridin-2-carboxylic acid, 2-Carboxy-1H-pyrrolo[2,3-b]pyridine, 1H-pyrrolo[2,3-b]pyridine-2-carboxylicacid(9CI)

1H-Pyrrolo[2,3-b]pyridine-2-carboxylic acid (CAS 136818-50-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6N2O2 and a molecular weight of 162.145 g/mol. Key properties include a boiling point of 446.8±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 224.0±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 136818-50-3
Jingsj CID: J-1509918-0
Molecular Formula: C₈H₆N₂O₂
Molecular Weight: 162.145 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	446.8±25.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	224.0±23.2 °C
Exact Mass	162.042923
PSA	65.98000
LogP	1.99
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.743

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

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

The CAS number of 1H-Pyrrolo[2,3-b]pyridine-2-carboxylic acid is 136818-50-3.

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

1H-Pyrrolo[2,3-b]pyridine-2-carboxylic acid has molecular formula C8H6N2O2 and molecular weight 162.145 g/mol.

What are the upstream and downstream products of 1H-Pyrrolo[2,3-b]pyridine-2-carboxylic acid?

For 1H-Pyrrolo[2,3-b]pyridine-2-carboxylic acid, Upstream Products: 3-Bromo-2-pyridinamine, Pyruvic acid, 7-Azaindole; Downstream Products: Methyl 1H-pyrrolo[2,3-b]pyridine-2-carboxylate, Ethyl 1H-pyrrolo[2,3-b]pyridine-2-carboxylate, 3-chloro-1H-pyrrolo[2,3-b]pyridine-2-carboxylic 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. "1H-Pyrrolo[2,3-b]pyridine-2-carboxylic acid (CAS 136818-50-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1509918-0 (accessed 2026-11-09).

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