5-Methyl-3-phenylisoxazole-4-carboxaldehyde
5-Methyl-3-phenylisoxazole-4-carboxaldehyde (CAS: 87967-95-1, C11H9NO2) is a distinct organic compound with a molecular weight of 187.19 g/mol. This isoxazole derivative functions as a valuable building block in organic synthesis. Its aldehyde functionality offers a reactive site for various chemical transformations, making it useful in the development of novel chemical entities and complex molecular structures. It is typically supplied with an assay of 97%.

Organic Synthesis Intermediate
This compound serves as a key intermediate in the synthesis of more complex organic molecules. Its isoxazole ring and aldehyde group allow for diverse chemical modifications.
Pharmaceutical Research
As a heterocyclic building block, it finds application in the research and development of potential pharmaceutical agents and drug discovery programs.
Chemical Research
Researchers utilise this aldehyde in laboratory settings for exploring new synthetic pathways and developing novel chemical compounds with specific properties.
| Molecular weight | 187.19 |
|---|---|
| Empirical formula | C11H9NO2 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 51-54 °C |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | >110 °C / >230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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-Methyl-3-phenylisoxazole-4-carboxaldehyde used for?
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5-Methyl-3-phenylisoxazole-4-carboxaldehyde is primarily used as a building block in organic synthesis, particularly in pharmaceutical research and chemical development for creating complex molecules.
What are the CAS number and formula for 5-Methyl-3-phenylisoxazole-4-carboxaldehyde?
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The CAS number is 87967-95-1 and the molecular formula is C11H9NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Methyl-3-phenylisoxazole-4-carboxaldehyde with an assay of 97%. This product is not represented as USP, BP, or EP grade.
What are the safety considerations for handling this chemical?
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This compound is classified as harmful if swallowed (H302). Handling requires appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. It is stored at 2-8°C.
How is 5-Methyl-3-phenylisoxazole-4-carboxaldehyde shipped and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 5-Methyl-3-phenylisoxazole-4-carboxaldehyde, adhering to all necessary shipping and export regulations.
How can I request a sample or quote for 5-Methyl-3-phenylisoxazole-4-carboxaldehyde?
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To request a sample or a quote, please contact our sales department through the official Tech Serve Solutions website or by phone.
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