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2-(5-ethyl-1H-indol-3-yl)acetic acid

5-乙基吲哚-3-乙酸

Also known as: 5-ethylindole-3-acetic acid, 5-ET-IAA, 5-ethyl-1H-Indole-3-acetic acid, (5-ethyl-1H-indol-3-yl)acetic acid, 1H-Indole-3-acetic acid, 5-ethyl-

2-(5-ethyl-1H-indol-3-yl)acetic acid (CAS 52531-12-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H13NO2 and a molecular weight of 203.23700 g/mol. It is also known as 5-ethylindole-3-acetic acid, 5-ET-IAA and 5-ethyl-1H-Indole-3-acetic acid. Key properties include a boiling point of 425.6ºC at 760mmHg, a density of 1.253g/cm3 and a flash point of 211.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
52531-12-1
Jingsj CID
J-1993661-5
Molecular Formula
C12H13NO2
Chinese Name
5-乙基吲哚-3-乙酸
Molecular Weight
203.23700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point425.6ºC at 760mmHg
Density1.253g/cm3
Flash Point211.2ºC

Frequently Asked Questions

What is the CAS number of 2-(5-ethyl-1H-indol-3-yl)acetic acid?

The CAS number of 2-(5-ethyl-1H-indol-3-yl)acetic acid is 52531-12-1.

What are the molecular formula and molecular weight of 2-(5-ethyl-1H-indol-3-yl)acetic acid?

2-(5-ethyl-1H-indol-3-yl)acetic acid has molecular formula C12H13NO2 and molecular weight 203.23700 g/mol.

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

Last updated:

How to cite: Jingsj. "2-(5-ethyl-1H-indol-3-yl)acetic acid (CAS 52531-12-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993661-5 (accessed 2026-10-25).

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