3-Aminoisoxazole
3-Aminoisoxazole (CAS: 1750-42-1), with the molecular formula C3H4N2O and a molar mass of 84.08 g/mol, is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of isoxazole chemistry. Its structure lends itself to the creation of more complex molecules, finding utility in research and development settings.

Organic Synthesis Intermediate
3-Aminoisoxazole is utilised as a key intermediate in the synthesis of various organic compounds. Its reactive amine and isoxazole functionalities allow for diverse chemical transformations.
Heterocyclic Chemistry Research
This compound is employed in research laboratories for the exploration and development of novel heterocyclic structures. Its specific isoxazole ring system is of interest for medicinal chemistry applications.
Pharmaceutical Intermediate Development
The molecule serves as a foundational component in the development pathways for potential pharmaceutical agents. It contributes to the structural diversity required for drug discovery programmes.
| Molecular weight | 84.08 |
|---|---|
| Empirical formula | C3H4N2O |
| Assay | 95% |
| Boiling point | 226-228 °C(lit.) |
| Density | 1.138 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.511(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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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-Aminoisoxazole used for?
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3-Aminoisoxazole is primarily used as a building block and intermediate in organic synthesis, with applications in heterocyclic chemistry research and the development of pharmaceutical agents.
What is the CAS number and formula for 3-Aminoisoxazole?
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The CAS number for 3-Aminoisoxazole is 1750-42-1, and its molecular formula is C3H4N2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Aminoisoxazole with an assay of 95%. This product is not represented as USP, BP, or EP grade.
How should 3-Aminoisoxazole be handled safely?
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3-Aminoisoxazole is classified with Warning signal word and H315-H319-H335 hazard statements, indicating it causes skin irritation, serious eye irritation, and may cause respiratory irritation. Appropriate personal protective equipment including eyeshields and gloves should be worn, and handling should occur in a well-ventilated area or with respiratory protection.
Is 3-Aminoisoxazole a controlled substance?
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The provided data does not indicate that 3-Aminoisoxazole is a controlled substance.
How is 3-Aminoisoxazole exported and shipped?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, facilitating international shipments of 3-Aminoisoxazole according to relevant regulations.
How can I request a quote or sample of 3-Aminoisoxazole?
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To request a quote or sample of 3-Aminoisoxazole, please contact our sales department through the website or designated contact channels.
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