Skip to main content

Indole-3-acetic acid

Also known as: IAA, Heteroauxin, 3-Indolylacetic acid, 3-Indoleacetic acid, 2-(1H-Indol-3-yl)acetic acid, 1H-Indole-3-acetic acid, Indoleacetic acid, 3-Indolylmethylcarboxylic acid, Rhizopon A

Indole-3-acetic acid (CAS 87-51-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9NO2 and a molecular weight of 175.184 g/mol. Key properties include a melting point of 165-169 °C(lit.), a boiling point of 415.0±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 204.8±21.8 °C. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.

CAS No.
87-51-4
Jingsj CID
J-1002023-8
Molecular Formula
C10H9NO2
Molecular Weight
175.184 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
Made to Order

Supplier Offers

1Request a quote
Filter:
SupplierPurity / PackBase PriceUnit PriceOrigin
Made to Order
--CN China

Physicochemical Properties

Melting Point165-169 °C(lit.)
Boiling Point415.0±20.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point204.8±21.8 °C
Exact Mass175.063324
PSA53.09000
LogP1.43
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.694

Activity & Biological Data

TargetHuman Endogenous Metabolite

Customs & Trade Information

HS Code2933990090
Summary2933990090. 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 Indole-3-acetic acid?

The CAS number of Indole-3-acetic acid is 87-51-4.

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

Indole-3-acetic acid has molecular formula C10H9NO2 and molecular weight 175.184 g/mol.

Which suppliers offer Indole-3-acetic acid?

1 supplier(s) listed; request a quote for pricing.

What are the upstream and downstream products of Indole-3-acetic acid?

For Indole-3-acetic acid, Upstream Products: Indole, 2-(5-Bromo-1H-indol-3-yl)acetic acid, n-Butyllithium; Downstream Products: N-(3-Indolylacetyl)-L-valine, Indole-3-acetyl-DL-aspartic acid, Indole-3-acetic acid hydrazide.

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

Last updated:

How to cite: Jingsj. "Indole-3-acetic acid (CAS 87-51-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1002023-8 (accessed 2026-11-06).

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