4-Bromo-5-chloro-1H-pyrrolo[2,3-b]pyridine

Also known as: 1H-Pyrrolo[2,3-b]pyridine, 4-bromo-5-chloro-, 4-Bromo-5-chloro-7-azaindole, 5-Chloro-4-bromo-7-azaindole, 4-Bromo-5-chloro-1H-pyrrolo[2,3-b]pyridine

4-Bromo-5-chloro-1H-pyrrolo[2,3-b]pyridine (CAS 916176-52-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H4BrClN2 and a molecular weight of 231.477 g/mol. Key property: a density of 1.9±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 916176-52-8
Jingsj CID: J-1490356-1
Molecular Formula: C₇H₄BrClN₂
Molecular Weight: 231.477 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.9±0.1 g/cm3
Exact Mass	229.924637
PSA	28.68000
LogP	3.49
Refractive Index	1.730

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-Bromo-5-chloro-1H-pyrrolo[2,3-b]pyridine?

The CAS number of 4-Bromo-5-chloro-1H-pyrrolo[2,3-b]pyridine is 916176-52-8.

What are the molecular formula and molecular weight of 4-Bromo-5-chloro-1H-pyrrolo[2,3-b]pyridine?

4-Bromo-5-chloro-1H-pyrrolo[2,3-b]pyridine has molecular formula C7H4BrClN2 and molecular weight 231.477 g/mol.

What are the upstream and downstream products of 4-Bromo-5-chloro-1H-pyrrolo[2,3-b]pyridine?

For 4-Bromo-5-chloro-1H-pyrrolo[2,3-b]pyridine, Upstream Products: 5-Chloro-1H-pyrrolo[2,3-b]pyridine 7-oxide; Downstream Products: 1H-Pyrrolo[2,3-b]pyridine, 4-bromo-5-chloro-1-[(4-methylphenyl)sulfonyl]-.

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-Bromo-5-chloro-1H-pyrrolo[2,3-b]pyridine (CAS 916176-52-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1490356-1 (accessed 2026-11-09).

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