5-Methylisoxazole-4-carboxylic acid
5-Methylisoxazole-4-carboxylic acid (CAS: 42831-50-5) is a heterocyclic organic compound with the molecular formula C5H5NO3 and a molecular weight of 127.10 g/mol. This white to off-white crystalline solid serves as a valuable building block in organic synthesis. Its isoxazole core and carboxylic acid functionality make it a key intermediate for the preparation of more complex molecules, particularly in the fields of medicinal chemistry and materials science.
Intermediate in Organic Synthesis
Utilised as a precursor for the construction of diverse organic molecules. The isoxazole ring system and carboxylic acid group provide reactive sites for further chemical transformations.
Medicinal Chemistry Research
Serves as a building block in the discovery and development of novel pharmaceutical compounds. Its structural features can be incorporated into drug candidates targeting various therapeutic areas.
Materials Science
Can be employed in the synthesis of functional materials, including polymers or specialised organic compounds with unique electronic or physical properties.
| Molecular weight | 127.10 |
|---|---|
| Empirical formula | C5H5NO3 |
| Assay | 97% |
| Melting point | 144-148 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| 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.
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-Methylisoxazole-4-carboxylic acid used for?
+
5-Methylisoxazole-4-carboxylic acid is primarily used as a building block in organic synthesis, particularly in medicinal chemistry and materials science research for creating more complex molecules.
What are the CAS number and molecular formula?
+
The CAS number for 5-Methylisoxazole-4-carboxylic acid is 42831-50-5, and its molecular formula is C5H5NO3.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 5-Methylisoxazole-4-carboxylic acid with an assay of 97%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling precautions?
+
Handling requires safety precautions including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. The compound is classified with WGK Germany of 3.
How is this chemical packed, shipped, and exported?
+
As a specialist global supplier and exporter, Tech Serve Solutions ensures appropriate packaging and adherence to international shipping regulations for chemicals.
How can I request a quote or sample?
+
Please contact our sales team through the website or direct email to request a quote or a sample of 5-Methylisoxazole-4-carboxylic acid.
▶ Related products
1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis
1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis