4-Chloro-1H-indole-2-carboxylic acid

Also known as: 4-Chloroindole-2-carboxylic acid, 1H-Indole-2-carboxylic acid, 4-chloro-, 4-CHLORO-1H-INDOLE-2-CARBOXYLI, 4-Chlor-indol-2-carbonsaeure, 4-chloro-2-indolecarboxylic acid, 4-chloro-indole-2-carboxylic acid

4-Chloro-1H-indole-2-carboxylic acid (CAS 24621-73-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6ClNO2 and a molecular weight of 195.60200 g/mol. Key properties include a boiling point of 449.7ºC at 760 mmHg, a density of 1.548 g/cm3 and a flash point of 225.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 24621-73-6
Jingsj CID: J-1319124-7
Molecular Formula: C₉H₆ClNO₂
Molecular Weight: 195.60200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	449.7ºC at 760 mmHg
Density	1.548 g/cm3
Flash Point	225.8ºC
Exact Mass	195.00900
PSA	53.09000
LogP	2.51950
Vapor Pressure	7.12E-09mmHg at 25°C
Refractive Index	1.728
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-indole-2-carboxylic acid?

The CAS number of 4-Chloro-1H-indole-2-carboxylic acid is 24621-73-6.

What are the molecular formula and molecular weight of 4-Chloro-1H-indole-2-carboxylic acid?

4-Chloro-1H-indole-2-carboxylic acid has molecular formula C9H6ClNO2 and molecular weight 195.60200 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-indole-2-carboxylic acid (CAS 24621-73-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1319124-7 (accessed 2026-11-09).

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