5-Hydroxyindole-3-acetic acid

5-羟基吲哚-3-乙酸

Also known as: 5-Hydroxyindole-3-acetic acid, 5-Hydroxyindoleacetic acid, 5-Hydroxyindolacetic Acid, 5-Hydroxyindoleacetate, 5-Hydroxy-3-indolylacetic acid, (5-Hydroxy-1H-indol-3-yl)acetic acid, 5-hydroxyindol-3-ylacetic acid

5-Hydroxyindole-3-acetic acid (CAS 54-16-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9NO3 and a molecular weight of 191.183 g/mol. It is also known as 5-Hydroxyindoleacetic acid, 5-Hydroxyindolacetic Acid and 5-Hydroxyindoleacetate. Key properties include a melting point of 161-164ºC (dec.)(lit.), a boiling point of 497.1±30.0 °C at 760 mmHg, a density of 1.496±0.06 g/cm3 and a flash point of 254.4±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
54-16-0
Jingsj CID
J-27103-3
Molecular Formula
C10H9NO3
Chinese Name
5-羟基吲哚-3-乙酸
Molecular Weight
191.183 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point161-164ºC (dec.)(lit.)
Boiling Point497.1±30.0 °C at 760 mmHg
Density1.496±0.06 g/cm3
Flash Point254.4±24.6 °C

Frequently Asked Questions

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

The CAS number of 5-Hydroxyindole-3-acetic acid is 54-16-0.

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

5-Hydroxyindole-3-acetic acid has molecular formula C10H9NO3 and molecular weight 191.183 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Hydroxyindole-3-acetic acid (CAS 54-16-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27103-3 (accessed 2026-10-22).

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