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5-Chloro-3-phenyl-1H-indole-2-carboxylic acid

5-氯-3-苯基-1H-吲哚-2-羧酸

Also known as: 1H-Indole-2-carboxylic acid, 5-chloro-3-phenyl-, 5-chloro-3-phenyl-1H-indole-2-carboxylate

5-Chloro-3-phenyl-1H-indole-2-carboxylic acid (CAS 21139-31-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C15H10ClNO2 and a molecular weight of 271.69800 g/mol. It is also known as 1H-Indole-2-carboxylic acid, 5-chloro-3-phenyl- and 5-chloro-3-phenyl-1H-indole-2-carboxylate. Key properties include a melting point of 230-232ºC, a boiling point of 500.7ºC at 760mmHg, a density of 1.417g/cm3 and a flash point of 256.6ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21139-31-1
Jingsj CID
J-1416046-2
Molecular Formula
C15H10ClNO2
Chinese Name
5-氯-3-苯基-1H-吲哚-2-羧酸
Molecular Weight
271.69800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point230-232ºC
Boiling Point500.7ºC at 760mmHg
Density1.417g/cm3
Flash Point256.6ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 5-Chloro-3-phenyl-1H-indole-2-carboxylic acid?

The CAS number of 5-Chloro-3-phenyl-1H-indole-2-carboxylic acid is 21139-31-1.

What are the molecular formula and molecular weight of 5-Chloro-3-phenyl-1H-indole-2-carboxylic acid?

5-Chloro-3-phenyl-1H-indole-2-carboxylic acid has molecular formula C15H10ClNO2 and molecular weight 271.69800 g/mol.

Is 5-Chloro-3-phenyl-1H-indole-2-carboxylic acid hazardous?

5-Chloro-3-phenyl-1H-indole-2-carboxylic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "5-Chloro-3-phenyl-1H-indole-2-carboxylic acid (CAS 21139-31-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1416046-2 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.