4-Chloro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one

Also known as: 4-Chloro-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one, 4-Chloro-1,3-dihydropyrrolo[2,3-b]pyridin-2-one, 4-Chloro-7-aza-2-oxindole, 2H-Pyrrolo[2,3-b]pyridin-2-one, 4-chloro-1,3-dihydro-, 4-chloro-1H,2H,3H-pyrrolo[2,3-b]pyridin-2-one

4-Chloro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 346599-62-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5ClN2O and a molecular weight of 168.580 g/mol. Key properties include a boiling point of 373.0±42.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 179.4±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 346599-62-0
Jingsj CID: J-1523327-9
Molecular Formula: C₇H₅ClN₂O
Molecular Weight: 168.580 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	373.0±42.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	179.4±27.9 °C
Exact Mass	168.009033
PSA	41.99000
LogP	1.39
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.610
Storage Conditions	2-8°C

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 4-Chloro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one?

The CAS number of 4-Chloro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one is 346599-62-0.

What are the molecular formula and molecular weight of 4-Chloro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one?

4-Chloro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one has molecular formula C7H5ClN2O and molecular weight 168.580 g/mol.

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. "4-Chloro-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 346599-62-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523327-9 (accessed 2026-11-09).

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