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3-(4-Fluorophenyl)-5-methylisoxazole-4-carboxylic acid

CAS 1736-21-6C11H8FNO3Chemical Synthesis

3-(4-Fluorophenyl)-5-methylisoxazole-4-carboxylic acid (CAS: 1736-21-6; Formula: C11H8FNO3; Molar Mass: 221.18) is a fluorinated heterocyclic building block. It serves as a key intermediate in the synthesis of complex organic molecules. This compound is valuable in research and development settings, particularly for constructing novel chemical entities with potential applications in medicinal chemistry and materials science.

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3-(4-Fluorophenyl)-5-methylisoxazole-4-carboxylic acid (C11H8FNO3) — chemical structure, CAS 1736-21-6; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksChemical SynthesisFluorinated Building BlocksHeterocyclic Building BlocksIsoxazoles
01 /Applications

Organic Synthesis

Utilised as a versatile building block for the construction of more complex organic structures. Its isoxazole core and fluorophenyl substituent offer specific reactivity for derivatisation.

Medicinal Chemistry Research

Incorporated into the design and synthesis of novel pharmaceutical candidates. The fluorophenyl and isoxazole moieties can influence pharmacokinetic and pharmacodynamic properties.

Materials Science

Investigated for its potential use in the development of new functional materials where its unique structural features may impart desirable properties.

02 /Properties
Molecular weight221.18
Empirical formulaC11H8FNO3
Assay97%
Storage temperature2-8°C
Melting point198-202 °C
03 /Safety & handling
Protective equipmentEyeshields, 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.

04 /Identifiers & registry
CAS number
1736-21-6
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 3-(4-Fluorophenyl)-5-methylisoxazole-4-carboxylic acid used for?

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This compound is primarily used as a building block in organic synthesis and for research in medicinal chemistry and materials science.

What is the CAS number and chemical formula for this compound?

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The CAS number is 1736-21-6, and the chemical formula is C11H8FNO3.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies this chemical with an assay of 97%. We do not represent it as USP, BP, EP, or other pharmacopoeial grades.

What are the safety and handling precautions for this chemical?

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This chemical requires the use of eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. It is classified under WGK Germany 3, indicating a hazard to water.

How is this chemical shipped and exported?

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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, pharmaceutical intermediates, and laboratory reagents, capable of handling international shipments.

How can I request a quote or sample?

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To request a quote or sample, please contact our sales team through the website or by phone.

Need 3-(4-Fluorophenyl)-5-methylisoxazole-4-carboxylic acid in a specific grade or volume?