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

Also known as: 3,3-Dibromo-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one, 3,3-Dibromo-1,3-dihydro-pyrrolo[2,3-b]pyridin-2-one, 3,3-Dibromo-7-aza-2-oxindole, 3,3-Dibromo-7-azaoxindole, 2H-Pyrrolo[2,3-b]pyridin-2-one, 3,3-dibromo-1,3-dihydro-

3,3-Dibromo-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 113423-51-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H4Br2N2O and a molecular weight of 291.927 g/mol. Key properties include a melting point of 198-199 °C, a boiling point of 382.5±42.0 °C at 760 mmHg, a density of 2.2±0.1 g/cm3 and a flash point of 185.2±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 113423-51-1
Jingsj CID: J-1615674-4
Molecular Formula: C₇H₄Br₂N₂O
Molecular Weight: 291.927 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	198-199 °C
Boiling Point	382.5±42.0 °C at 760 mmHg
Density	2.2±0.1 g/cm3
Flash Point	185.2±27.9 °C
Exact Mass	289.869019
PSA	41.99000
LogP	1.78
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.701

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

The CAS number of 3,3-Dibromo-1H-pyrrolo[2,3-b]pyridin-2(3H)-one is 113423-51-1.

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

3,3-Dibromo-1H-pyrrolo[2,3-b]pyridin-2(3H)-one has molecular formula C7H4Br2N2O and molecular weight 291.927 g/mol.

What are the upstream and downstream products of 3,3-Dibromo-1H-pyrrolo[2,3-b]pyridin-2(3H)-one?

For 3,3-Dibromo-1H-pyrrolo[2,3-b]pyridin-2(3H)-one, Upstream Products: 7-Azaindole, Pyridinium tribromide; Downstream Products: 1,3-Dihydro-2H-pyrrolo[2,3-b]pyridin-2-one, 1H-Pyrrolo[2,3-b]pyridine-2,3-dione, 3,3,5-Tribromo-1H-pyrrolo[2,3-b]pyridin-2(3H)-one.

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. "3,3-Dibromo-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 113423-51-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1615674-4 (accessed 2026-11-09).

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