4-Indol-3-ylbutyric acid
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    WARNING: This product is for research use only, not for human or veterinary use.

Hodoodo CAT#: H596222

CAS#: 133-32-4

Description: 4-Indol-3-ylbutyric acid is a naturally occurring phytohormone auxin (plant growth regulator). Promotes root formation in cuttings, but does not affect ethylene levels.


Chemical Structure

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4-Indol-3-ylbutyric acid
CAS# 133-32-4

Theoretical Analysis

Hodoodo Cat#: H596222
Name: 4-Indol-3-ylbutyric acid
CAS#: 133-32-4
Chemical Formula: C12H13NO2
Exact Mass: 203.09
Molecular Weight: 203.240
Elemental Analysis: C, 70.92; H, 6.45; N, 6.89; O, 15.74

Price and Availability

Size Price Availability Quantity
5g USD 230 2 Weeks
25g USD 410 2 Weeks
100g USD 800 2 Weeks
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Synonym: 4-Indol-3-ylbutyric acid; EPA Pesticide Chemical Code 046701; Indolbutyric acid; Hormodin; NSC 3130; NSC3130; NSC-3130;

IUPAC/Chemical Name: 4-(1H-indol-3-yl)butanoic acid

InChi Key: JTEDVYBZBROSJT-UHFFFAOYSA-N

InChi Code: InChI=1S/C12H13NO2/c14-12(15)7-3-4-9-8-13-11-6-2-1-5-10(9)11/h1-2,5-6,8,13H,3-4,7H2,(H,14,15)

SMILES Code: O=C(O)CCCC1=CNC2=C1C=CC=C2

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

More Info:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 203.24 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
Formulation protocol:
In vitro protocol:
In vivo protocol:

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