Skip to main content

5-Methylindole-3-acetic acid

Also known as: 2-(5-Methyl-1H-indol-3-yl)acetic acid, (5-Methyl-1H-indol-3-yl)acetic acid, 5-Me-IAA, 5-Methyl-3-indoleacetic acid, 5-Methylindol-3-ylacetic acid

5-Methylindole-3-acetic acid (CAS 1912-47-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H11NO2 and a molecular weight of 189.210 g/mol. Key properties include a melting point of 127-128 °C(lit.), a boiling point of 420.8±30.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 208.3±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1912-47-6
Jingsj CID
J-19158-2
Molecular Formula
C11H11NO2
Molecular Weight
189.210 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point127-128 °C(lit.)
Boiling Point420.8±30.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point208.3±24.6 °C
Exact Mass189.078979
PSA53.09000
LogP1.89
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.671

Frequently Asked Questions

What is the CAS number of 5-Methylindole-3-acetic acid?

The CAS number of 5-Methylindole-3-acetic acid is 1912-47-6.

What are the molecular formula and molecular weight of 5-Methylindole-3-acetic acid?

5-Methylindole-3-acetic acid has molecular formula C11H11NO2 and molecular weight 189.210 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Methylindole-3-acetic acid (CAS 1912-47-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19158-2 (accessed 2026-11-09).

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