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CAS 87-51-4

CAS 87-51-4 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 87-51-4
CAS 87-51-4PubChem CID 802

Indole-3-Acetic Acid

Indole-3-acetic acid is a monocarboxylic acid that is acetic acid in which one of the methyl hydrogens has been replaced by a 1H-indol-3-yl group. It has a role as an auxin, a plant hormone, a mouse metabolite, a plant metabolite and a human metabolite. It is a member of indole-3-acetic acids and a monocarboxylic acid. It is a conjugate acid of an indole-3-acetate. — ChEBI

IUPAC name
2-(1H-indol-3-yl)acetic acid
Molecular formula
C10H9NO2
Molecular weight
175.18 g/mol
Exact mass
175.063328530 Da
XLogP3
1.4
Topological polar surface area
53.1 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

3-Indoleacetic acidindoleacetic acidHeteroauxin1H-Indole-3-acetic acid1H-indol-3-ylacetic acidRhizopinRhizopon A3-Indolylacetic acid
16 more reported names
3-Iaa3-(Carboxymethyl)indolebeta-Indoleacetic acidbeta-Indolylacetic acidIndolyl-3-acetic acidindole acetic acidKyselina 3-indolyloctova2-(indol-3-yl)ethanoic acid(indol-3-yl)acetic acidNSC-37876U1S09C61LCHEBI:16411IES cpdRefChem:790975201-748-2Indol-3-ylacetic acid
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 87-51-4

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How CAS 87-51-4 is used on this site

CAS 87-51-4 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 87-51-4 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.