4-Amino-3,5-dimethylisoxazole
4-Amino-3,5-dimethylisoxazole (CAS 31329-64-3) is a heterocyclic organic compound with the molecular formula C5H8N2O and a molecular weight of 112.13 g/mol. It is a key building block utilized in organic synthesis, particularly within the realm of heterocyclic chemistry. This compound serves as a valuable intermediate for researchers and chemists developing novel molecules and materials.
- Synonyms
- C5H8N2O

Organic Synthesis Intermediate
4-Amino-3,5-dimethylisoxazole functions as a versatile building block in the construction of more complex organic molecules. Its isoxazole core and amino substituent provide reactive sites for various chemical transformations.
Heterocyclic Chemistry Research
This compound is employed in research focused on heterocyclic chemistry, allowing for the exploration and development of new isoxazole derivatives with potential applications in pharmaceuticals and materials science.
Chemical Synthesis
It is used in general chemical synthesis, offering a reliable scaffold for introducing the 3,5-dimethylisoxazole moiety into target compounds.
| Molecular weight | 112.13 |
|---|---|
| Empirical formula | C5H8N2O |
| Assay | 97% |
| Storage temperature | −20°C |
| Melting point | 41-46 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 4-Amino-3,5-dimethylisoxazole used for?
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4-Amino-3,5-dimethylisoxazole is primarily used as a building block and intermediate in organic synthesis, particularly in heterocyclic chemistry research and general chemical synthesis.
What are the CAS number and molecular formula for 4-Amino-3,5-dimethylisoxazole?
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The CAS number is 31329-64-3 and the molecular formula is C5H8N2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Amino-3,5-dimethylisoxazole with an assay of 97%. We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards.
How should 4-Amino-3,5-dimethylisoxazole be handled safely?
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Handling requires appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust. Refer to the Safety Data Sheet for comprehensive information.
Is 4-Amino-3,5-dimethylisoxazole regulated or a controlled substance?
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The provided data does not indicate that 4-Amino-3,5-dimethylisoxazole is a controlled substance. Users should always verify local regulations.
How is this chemical packed and shipped?
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4-Amino-3,5-dimethylisoxazole is typically stored at −20°C. TSS exports fine chemicals, pharmaceutical intermediates, and laboratory reagents globally, adhering to all relevant shipping regulations.
How can I request a sample or quote for 4-Amino-3,5-dimethylisoxazole?
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To request a sample or quote, please contact our sales team via the website or direct inquiry, providing your specific requirements and shipping details.
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