4-Oxazolecarboxylic acid
4-Oxazolecarboxylic acid (CAS: 23012-13-7; C4H3NO3) is a heterocyclic organic compound with a molecular weight of 113.07 g/mol. It serves as a valuable building block in organic synthesis, particularly within the realm of heterocyclic chemistry. Its structure facilitates various chemical transformations, making it a key intermediate for the development of more complex molecules.
- IUPAC
- 1,3-Oxazole-4-carboxylic acid,4-Carboxyoxazole
- Synonyms
- 1,3-Oxazole-4-carboxylic acid4-Carboxyoxazole

Organic Synthesis Intermediate
Utilised as a fundamental building block in the synthesis of diverse organic compounds. Its oxazole ring system is amenable to a range of chemical modifications and functionalizations.
Heterocyclic Chemistry
A key reagent in the construction of novel heterocyclic frameworks. It enables the introduction of the oxazole moiety into larger molecular structures, important in medicinal chemistry research.
Research and Development
Employed in laboratory settings for exploratory synthesis and the development of new chemical entities. Researchers leverage its structure for creating new materials or potential pharmaceutical leads.
| Molecular weight | 113.07 |
|---|---|
| Empirical formula | C4H3NO3 |
| Assay | 97% |
| Melting point | 138-142 °C |
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 4-Oxazolecarboxylic acid used for?
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4-Oxazolecarboxylic acid is primarily used as a building block in organic synthesis and heterocyclic chemistry research. It serves as an intermediate for creating more complex organic molecules.
What are the CAS number and formula for 4-Oxazolecarboxylic acid?
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The CAS number for 4-Oxazolecarboxylic acid is 23012-13-7, and its molecular formula is C4H3NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Oxazolecarboxylic acid with a purity of at least 97%. This product is typically supplied for research and chemical synthesis purposes and is not represented as USP, BP, or EP grade.
How should 4-Oxazolecarboxylic acid be handled?
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4-Oxazolecarboxylic acid has a German Water Hazard Class (WGK) of 3, indicating it is hazardous to water. Handle with appropriate personal protective equipment in a well-ventilated area, avoiding release into the environment.
Can Tech Serve Solutions export 4-Oxazolecarboxylic acid?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 4-Oxazolecarboxylic acid, serving customers worldwide.
How can I request a quote or sample for 4-Oxazolecarboxylic acid?
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To request a quote or sample for 4-Oxazolecarboxylic acid, please contact our sales team through the website or by phone, providing your specific requirements.
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