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Home/Compounds/Agrochemical/Indolebutyric acid
C12H13NO2
203.24 g/mol
AgrochemicalDanger

Indole-3-butyric acid

CAS133-32-4EC205-101-5
Category
Agrochemical
Compound Class
Organic Acid
Primary Use
plant rooting hormone stimulant

Indole-3-butyric acid is a plant hormone in the auxin family, commonly used to stimulate root development in cuttings. It is a white to light-yellow crystalline solid and is an ingredient in many commercial horticultural rooting products.

rooting hormone for plant cuttingshorticultural rooting stimulantplant growth regulator

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

ReferenceSame Category

Copper oxychloride

CAS1332-40-7

agricultural fungicide

ReferenceSame Category

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CAS1332698-41-5

herbicide intermediate

ReferenceSame Category

(2,6-DIMETHYL-PHENOXY)-ACETIC ACID

CAS13335-71-2

Herbicide intermediate

ReferenceSame Category

(Z)-metominostrobin

CAS133408-51-2

Fungicide for crop protection

Referencestereoisomer of

1H-Indole-3-butanoic acid monopotassium salt

CAS60096-23-3

pharmaceutical intermediate

Related Reading

Why Does One Chemical Intermediate End Up in Dozens of Pesticides? Inside the Reaction Interface Economy

A single pyridine intermediate feeds four different neonicotinoid insecticides. A single pyrazole acid feeds a whole family of SDHI fungicides. This isn't coincidence — it's the Reaction Interface Economy, the organizing logic behind modern agrochemical R&D and its supply chain.

Read more

Safety Reference

Toxic
Toxic
Harmful
Harmful
Danger
H301Toxic if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Customs Tariff Classification

The international HS code for Indole-3-butyric acid (CAS 133-32-4) 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

4-(1H-indol-3-yl)butanoic acid

InChIKey

JTEDVYBZBROSJT-UHFFFAOYSA-N

SMILES

C1=CC=C2C(=C1)C(=CN2)CCCC(=O)O

Synonyms (79)
  • 3IB
  • IBA
  • .beta.-IBA
  • .gamma.-Indolebutyric acid
  • 1H-INDOLE-3-BUTANOIC ACID
  • 1H-Indole-3-butanoate
  • 1H-Indole-3-butyrate
  • 1H-Indole-3-butyric acid
  • 3-Indolebutyrate
  • 3-Indolebutyric acid
  • 3-Indolebutyric acid (IBA)
  • 3-Indolybutyric acid
  • 3-Indolyl-gamma-butyric acid
  • 3-Indolylbutyric acid
  • 3-Iodolebutyrate
  • 4-(1H-Indol-3-yl)-butyrate
  • 4-(1H-Indol-3-yl)butyric acid
  • 4-(3-1H-Indolyl)butyrate
  • 4-(3-1H-Indolyl)butyric acid
  • 4-(3-Indole)-butyrate
  • 4-(3-Indole)butyric acid
  • 4-(3-Indolyl)butanoic acid
  • 4-(3-Indolyl)butyrate
  • 4-(3-Indolyl)butyric acid
  • 4-(Indol-3)-butyric acid
  • 4-(indolyl)- butyrate
  • 4-(indolyl)- butyric acid
  • 4-indol-3-ylbutanoic acid
  • 4-indol-3-ylbutyrate
  • 4-indol-3-ylbutyric acid
  • AB00375585-03
  • Butyric acid, 4-(indolyl)-
  • Caswell No. 499
  • Chryzopon
  • Chryzosan
  • Chryzotek
  • Hormex
  • Hormodin
  • Indol-3,4'-yl butyric acid
  • Indolbutyric acid
  • Indole 3-butyrate
  • Indole-3-Butrylate
  • Indole-3-Butrylic acid
  • Indole-3-butanoic acid
  • Indole-3-butyric acid
  • Indole-3-butyric acid (8CI)
  • Indolebutyrate
  • Indolebutyric acid
  • Indolyl-3-butyrate
  • Indolyl-3-butyric acid
  • Indolylbutyric acid
  • Jiffy grow
  • Kyselina 4-indol-3-ylmaselina
  • Oxyberon
  • Rhizopon AA
  • Seradix
  • Seradix 2
  • Seradix 3
  • Seradix B 2
  • Seradix B 3
  • b-Indolebutyrate
  • b-Indolebutyric acid
  • beta-Indolebutyrate
  • beta-Indolebutyric acid
  • beta-Indolylbutyric acid

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