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Ethyl 5-methylisoxazole-3-carboxylate

CAS 3209-72-1C7H9NO3Chemical Synthesis

Ethyl 5-methylisoxazole-3-carboxylate (CAS: 3209-72-1; Formula: C7H9NO3; MW: 155.15 g/mol) is a heterocyclic organic compound. Supplied by Tech Serve Solutions with an assay of 95%, this versatile building block is primarily utilised in chemical synthesis, particularly in the development of novel pharmaceutical intermediates and advanced materials. Its isoxazole core offers a valuable structural motif for complex molecule construction.

IUPAC
5-Methylisoxazole-3-carboxylic acid ethyl ester
Synonyms
5-Methylisoxazole-3-carboxylic acid ethyl ester
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Ethyl 5-methylisoxazole-3-carboxylate (C7H9NO3) — chemical structure, CAS 3209-72-1; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksChemical SynthesisHeterocyclic Building BlocksIsoxazoles
01 /Applications

Pharmaceutical Intermediate Synthesis

Ethyl 5-methylisoxazole-3-carboxylate serves as a key intermediate in the multi-step synthesis of active pharmaceutical ingredients (APIs). Its reactive ester and isoxazole functionalities allow for diverse chemical transformations.

Agrochemical Development

This compound can be employed as a building block in the research and development of new agrochemicals, contributing to the synthesis of molecules with potential pesticidal or herbicidal properties.

Material Science Research

The unique heterocyclic structure of Ethyl 5-methylisoxazole-3-carboxylate makes it a candidate for incorporation into novel polymers or functional materials, enabling research into advanced material properties.

Organic Synthesis Reagent

As a versatile reagent, it is valuable in academic and industrial laboratories for constructing complex organic molecules and exploring new synthetic methodologies.

02 /Properties
Molecular weight155.15
Empirical formulaC7H9NO3
Assay95%
Melting point27-31 °C
03 /Safety & handling
Flash point109 °C / 228.2 °F
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.

04 /Identifiers & registry
CAS number
3209-72-1
MDL number
MFCD00085080
05 /Quality & supply

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.

06 /Frequently asked questions

What is Ethyl 5-methylisoxazole-3-carboxylate used for?

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Ethyl 5-methylisoxazole-3-carboxylate is primarily used as a building block in chemical synthesis, particularly for pharmaceutical intermediates and in agrochemical and material science research.

What is the CAS number and formula for Ethyl 5-methylisoxazole-3-carboxylate?

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The CAS number is 3209-72-1 and the molecular formula is C7H9NO3.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Ethyl 5-methylisoxazole-3-carboxylate with a minimum assay of 95%. This product is suitable for research and general chemical synthesis purposes. TSS does not represent this product as USP, BP, or EP grade.

What are the safety and handling considerations for this chemical?

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Ethyl 5-methylisoxazole-3-carboxylate has a flash point of 109 °C (228.2 °F). It is classified under WGK 3 in Germany, indicating a high hazard potential. Appropriate personal protective equipment should be used, and handling should occur in a well-ventilated area.

How can I request a quote or sample?

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To request a quote or a sample of Ethyl 5-methylisoxazole-3-carboxylate, please visit the Tech Serve Solutions website or contact our sales department directly.

Is this product available for export?

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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Ethyl 5-methylisoxazole-3-carboxylate, serving customers worldwide.

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