O

Oxazole

IUPAC: 1,3-oxazole

C3H3NO Organic Compounds CAS 288-42-6
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Quick Reference
Formula / NotationC3H3NO
CAS Number288-42-6
Molecular Weight69.06
Also Known As1,3-oxazole; 1,3-Oxazole; 288-42-6; Oxazoles; FJZ20I1LPS; CHEBI:35597; DTXSID70182983; RefChem:389170; CHEBI:35790; DTXCID10105474
CategoryOrganic Compounds

What is Oxazole?

1,3-oxazole is a five-membered monocyclic heteroarene that is an analogue of cyclopentadiene with O in place of CH2 at position 1 and N in place of CH at position 3. It is a mancude organic heteromonocyclic parent, a monocyclic heteroarene and a member of 1,3-oxazoles.

Formula & Notation

C3H3NO

IUPAC Name: 1,3-oxazole

Other Names / Synonyms: 1,3-oxazole; 1,3-Oxazole; 288-42-6; Oxazoles; FJZ20I1LPS; CHEBI:35597; DTXSID70182983; RefChem:389170; CHEBI:35790; DTXCID10105474

Properties & Characteristics

Molecular formula: C3H3NO. Molecular weight: 69.06 g/mol. LogP: 0.1.

Uses & Applications

Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.

Safety Information

Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Oxazole
Formula C3H3NO
CAS Number 288-42-6
Molecular Weight 69.06
Synonyms 1,3-oxazole; 1,3-Oxazole; 288-42-6; Oxazoles; FJZ20I1LPS; CHEBI:35597; DTXSID70182983; RefChem:389170; CHEBI:35790; DTXCID10105474

Frequently Asked Questions

1,3-oxazole is a five-membered monocyclic heteroarene that is an analogue of cyclopentadiene with O in place of CH2 at position 1 and N in place of CH at position 3. It is a mancude organic heteromonocyclic parent, a monocyclic heteroarene and a member of 1,3-oxazoles.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.