3-Indoleacetic acid
3-Indoleacetic acid (CAS: 87-51-4, C10H9NO2) is a vital organic compound with a molecular weight of 175.18 g/mol. Known commonly as heteroauxin, it serves as a key plant hormone, playing a crucial role in cell elongation and growth. This compound is widely recognised for its utility in plant tissue culture and agricultural research, promoting root formation and development in various plant species. Tech Serve Solutions offers this essential chemical for laboratory and research applications.
- IUPAC
- Heteroauxin,IAA
- Synonyms
- HeteroauxinIAAIndol-3-ylacetic acid3-IAAColeoptile growth factor3-Indolylacetic acid

Plant Growth Regulation
3-Indoleacetic acid is extensively used as a plant growth regulator, mimicking natural auxins to stimulate root development and cell division. It is a common component in horticultural applications and agricultural research to enhance plant propagation.
Plant Tissue Culture
This compound is an indispensable component in plant tissue culture media, promoting callus formation and organogenesis. Its tested suitability for plant cell culture makes it ideal for in-vitro propagation and research.
Biochemical Research
As a fundamental indole derivative, 3-Indoleacetic acid is employed in various biochemical studies focusing on plant physiology and molecular biology. Its well-defined biological activity aids in understanding plant development pathways.
Chemical Synthesis
3-Indoleacetic acid serves as a valuable building block in organic synthesis, particularly for the construction of more complex heterocyclic compounds. Its indole core is a common feature in many biologically active molecules.
| Molecular weight | 175.18 |
|---|---|
| Empirical formula | C10H9NO2 |
| Assay | ≥95% (T) |
| Storage temperature | −20°C |
| Suitability | plant cell culture tested |
| Melting point | 165-169 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3-Indoleacetic acid used for?
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3-Indoleacetic acid is primarily used as a plant growth regulator, promoting root development and cell elongation, and is essential in plant tissue culture media. It also finds application in biochemical research and as a building block in chemical synthesis.
What is the CAS number and formula for 3-Indoleacetic acid?
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The CAS number for 3-Indoleacetic acid is 87-51-4, and its molecular formula is C10H9NO2.
What grade and purity does Tech Serve Solutions supply for 3-Indoleacetic acid?
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Tech Serve Solutions supplies 3-Indoleacetic acid with an assay of ≥95% (T). TSS does not represent this product as USP/BP/EP or any other pharmacopoeia grade.
How should 3-Indoleacetic acid be handled and stored?
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Handling requires appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. Store at -20°C.
How is 3-Indoleacetic acid packed, shipped, and exported?
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3-Indoleacetic acid is carefully packed to maintain its integrity during transit. As a global supplier, Tech Serve Solutions has extensive experience in exporting chemicals worldwide, adhering to all relevant shipping regulations.
How can I request a sample or quote for 3-Indoleacetic acid?
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To request a sample or a quote for 3-Indoleacetic acid, please contact our sales team through the website or by phone, providing the product name and CAS number.
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