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4-Chloro-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid

Also known as: 4-Chloro-7-azaindole-5-carboxylic acid, 1H-Pyrrolo[2,3-b]pyridine-5-carboxylic acid, 4-chloro-, 4-Chloro-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid 95%, 5-Carboxy-4-chloro-1H-pyrrolo[2,3-b]pyridine

4-Chloro-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid (CAS 920966-03-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H5ClN2O2 and a molecular weight of 196.590 g/mol. Key property: a density of 1.6±0.1 g/cm3. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
920966-03-6
Jingsj CID
J-1305108-6
Molecular Formula
C8H5ClN2O2
Molecular Weight
196.590 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Density1.6±0.1 g/cm3
Exact Mass196.003952
PSA65.98000
LogP2.16
Refractive Index1.744

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed

Customs & Trade Information

HS Code2933990090
Summary2933990090. 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]pyridine-5-carboxylic acid?

The CAS number of 4-Chloro-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid is 920966-03-6.

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

4-Chloro-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid has molecular formula C8H5ClN2O2 and molecular weight 196.590 g/mol.

Is 4-Chloro-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid hazardous?

4-Chloro-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

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

For 4-Chloro-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid, Upstream Products: Ethyl 4-chloro-1H-pyrrolo[2,3-b]pyridine-5-carboxylate; Downstream Products: 4-Chloro-1H-pyrrolo[2,3-b]pyridine-5-carboxamide, Benzyl 4-chloro-1H-pyrrolo[2,3-b]pyridine-5-carboxylate, Methyl 4-chloro-1H-pyrrolo[2,3-b]pyridine-5-carboxylate.

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

Last updated:

How to cite: Jingsj. "4-Chloro-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid (CAS 920966-03-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1305108-6 (accessed 2026-11-09).

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