Oxazole
Oxazole (CAS: 288-42-6), with the molecular formula C3H3NO and a molecular weight of 69.06 g/mol, is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly for creating more complex molecules within the realm of heterocyclic chemistry. Its specific properties make it a useful intermediate in various research and development applications.

Heterocyclic Synthesis
Oxazole is a fundamental heterocyclic building block used in the synthesis of a wide range of complex organic molecules. Its structure allows for diverse chemical transformations and incorporation into larger frameworks.
Pharmaceutical Intermediates
This compound can serve as a precursor or intermediate in the development of novel pharmaceutical agents. Its heterocyclic nature is often a key feature in biologically active molecules.
Organic Chemistry Research
As a versatile reagent, oxazole finds application in academic and industrial research laboratories for exploring new synthetic pathways and developing novel chemical entities.
| Molecular weight | 69.06 |
|---|---|
| Empirical formula | C3H3NO |
| Assay | 98% |
| Boiling point | 69-70 °C(lit.) |
| Density | 1.05 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.425(lit.) |
| Melting point | −87-−84 °C(lit.) |


Hazard statements
- H225Highly flammable liquid and vapour
- H318Causes serious eye damage
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 19 °C / 66.2 °F |
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-41 |
| Safety statements (S) | 16-26-36 |
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 Oxazole used for?
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Oxazole is primarily used as a building block in chemical synthesis, particularly for heterocyclic compounds, and as an intermediate in pharmaceutical research.
What are the CAS number and formula for Oxazole?
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The CAS number for Oxazole is 288-42-6, and its molecular formula is C3H3NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Oxazole with an assay of 98%. This is a technical/research grade, and TSS does not represent it as USP, BP, or EP grade.
How should Oxazole be handled safely?
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Oxazole is a flammable liquid and can cause serious eye damage. Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Ensure it is kept away from ignition sources.
How is Oxazole packed, shipped, and exported?
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Oxazole is classified under UN 1993 BF 3 / PG II for transport. TSS adheres to all relevant regulations for packing, shipping, and exporting chemical products globally.
How can I request a sample or quote for Oxazole?
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To request a sample or a quote for Oxazole, please contact the Tech Serve Solutions sales team through our website or by phone.
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