5-Phenylisoxazole-3-carboxaldehyde
5-Phenylisoxazole-3-carboxaldehyde (CAS: 59985-82-9, C10H7NO2) is a heterocyclic aldehyde with a molecular weight of 173.17 g/mol. This compound serves as a valuable building block in organic synthesis. Its isoxazole core and reactive aldehyde group make it a versatile intermediate for constructing more complex molecules, particularly in the fields of medicinal chemistry and materials science.

Organic Synthesis Intermediate
Utilised as a key building block in multi-step organic synthesis pathways. The aldehyde functionality allows for various transformations, including nucleophilic additions and condensations, to create novel chemical entities.
Medicinal Chemistry Research
Employed in the design and synthesis of potential pharmaceutical agents. Its structure can be incorporated into lead compounds targeting various biological pathways.
Heterocyclic Compound Development
Serves as a precursor for generating diverse isoxazole derivatives. These structures are often explored for their unique electronic and biological properties.
| Molecular weight | 173.17 |
|---|---|
| Empirical formula | C10H7NO2 |
| Assay | 97% |
| Melting point | 58-62 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P342
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38-42/43 |
| Safety statements (S) | 26-36-45 |
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 5-Phenylisoxazole-3-carboxaldehyde used for?
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5-Phenylisoxazole-3-carboxaldehyde is primarily used as a building block in organic synthesis and for research in medicinal chemistry and heterocyclic compound development.
What is the CAS number and formula for 5-Phenylisoxazole-3-carboxaldehyde?
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The CAS number is 59985-82-9 and the empirical formula is C10H7NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Phenylisoxazole-3-carboxaldehyde with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the primary safety hazards associated with this compound?
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This compound is classified as Danger, with hazards including H302 (harmful if swallowed), H315 (causes skin irritation), H317 (may cause an allergic skin reaction), H319 (causes serious eye irritation), H334 (may cause allergy or asthma symptoms or breathing difficulties if inhaled), and H335 (may cause respiratory irritation). Appropriate PPE, including a dust mask type N95, eyeshields, face shields, and gloves, should be worn.
How is 5-Phenylisoxazole-3-carboxaldehyde exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 5-Phenylisoxazole-3-carboxaldehyde, adhering to all necessary shipping and export regulations.
How can I request a sample or quote for 5-Phenylisoxazole-3-carboxaldehyde?
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To request a sample or a quotation for 5-Phenylisoxazole-3-carboxaldehyde, please contact our sales department through the website or by phone.
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