C10H9NO2
175.18 g/mol
AgrochemicalWarning
Indole-3-acetic acid
CAS87-51-4EC201-748-2
Category
Agrochemical
Compound Class
Natural Product
Primary Use
plant growth hormone auxin
Indole-3-acetic acid is the most common naturally occurring plant hormone of the auxin class. It plays a central role in regulating plant growth, including cell elongation, division, and differentiation.
plant growth regulator in agricultureresearch tool in plant physiology studies
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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herbicide and acaricide intermediate
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Wood preservative biocide
Referencestereoisomer of
[(2,4,5,6,7-²H₅)-1H-Indol-3-yl]acetic acid
CAS76937-78-5
research compound
Related Reading
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Indole-3-acetic acid (CAS 87-51-4) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-(1H-indol-3-yl)acetic acid
InChIKey
SEOVTRFCIGRIMH-UHFFFAOYSA-N
SMILES
C1=CC=C2C(=C1)C(=CN2)CC(=O)O
Synonyms (76)
- IAA
- IAC
- IES
- (1H-Indol-3-yl)-acetate
- (indol-3-yl)acetic acid
- .alpha.-IAA
- .beta.-IAA
- .beta.-Indole-3-acetic acid
- 1H-Indole-3-acetate
- 1H-Indole-3-acetic acid
- 1H-Indole-3-acetic acid (9CI)
- 1H-indol-3-acetic acid
- 1H-indol-3-ylacetic acid
- 2-(1H-Indol-3-yl)acetic acid
- 2-(3-Indolyl)acetate
- 2-(3-Indolyl)acetic acid
- 2-(indol-3-yl)ethanoic acid
- 2-indol-3-ylacetic acid
- 3-(Carboxymethyl)indole
- 3-Iaa
- 3-Indoleacetic acid
- 3-Indoleacetic acidIAA
- 3-Indolylacetate
- 3-Indolylacetic acid
- 3-Indolylessigsaeure
- 3-indoleacetate
- Acetic acid, indolyl-
- Acid, 6
- Heteroauxin
- Heteroauxinhexteroauxiniaa
- Hexteroauxin
- IES cpd
- Indol-3-ylacetate
- Indole-3-acetic acid (8CI)
- Indole-3-acetic acid/IAA
- Indole-3-acetic-t acid
- Indoleacetic acid (VAN)
- Indolyl-3-acetate
- Indolyl-3-acetic acid
- Indolylacetate
- Indolylacetic acid
- Kyselina 3-indolyloctova
- Rhizopin
- Rhizopon A
- SDCCGMLS-0066204.P001
- Skatole carboxylate
- Skatole carboxylic acid
- [3H]-IAA
- acetic acid, 2-(3-indolyl)-
- b-Indoleacetate
- b-Indoleacetic acid
- b-Indolylacetate
- b-Indolylacetic acid
- beta-Indoleacetate
- beta-Indoleacetic acid
- beta-Indolylacetate
- beta-Indolylacetic acid
- indole, 3-carboxymethyl-
- indole-3-acetic acid
- indoleacetate
- indoleacetic acid
- omega-Skatole carboxylic acid
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