5-Bromo-2-benzoxazolinone
5-Bromo-2-benzoxazolinone (CAS: 14733-73-4) is a halogenated heterocyclic compound with the molecular formula C7H4BrNO2 and a molecular weight of 214.02 g/mol. It serves as a valuable building block in chemical synthesis, particularly within the realms of organic chemistry and heterocyclic compound development. This compound is primarily utilised in research and development settings for the creation of novel molecules and materials.
- IUPAC
- 5-Bromo-2(3H)-benzoxazolone
- Synonyms
- 5-Bromo-2(3H)-benzoxazolone

Organic Synthesis Intermediate
5-Bromo-2-benzoxazolinone acts as a key intermediate in the synthesis of more complex organic molecules. Its bromo-substituent and benzoxazolinone core offer reactive sites for various chemical transformations.
Heterocyclic Compound Research
This compound is employed in the study and development of novel heterocyclic structures. Its specific arrangement of atoms makes it a useful starting material for medicinal chemistry and materials science research.
Building Block for Fine Chemicals
As a functionalised heterocycle, 5-Bromo-2-benzoxazolinone is incorporated into synthetic routes for various fine chemicals. It enables the introduction of the benzoxazolinone moiety into target molecules.
| Molecular weight | 214.02 |
|---|---|
| Empirical formula | C7H4BrNO2 |
| Assay | 97% |
| Melting point | 218-222 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36 |
| Safety statements (S) | 26 |
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-Bromo-2-benzoxazolinone used for?
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5-Bromo-2-benzoxazolinone is primarily used as a building block in organic synthesis and for the research and development of novel heterocyclic compounds.
What are the CAS number and molecular formula for 5-Bromo-2-benzoxazolinone?
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The CAS number is 14733-73-4 and the molecular formula is C7H4BrNO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Bromo-2-benzoxazolinone with a minimum assay of 97%. TSS does not represent this product as USP, BP, or EP grade; it is suitable for research and chemical synthesis purposes.
How should 5-Bromo-2-benzoxazolinone be handled?
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Handle 5-Bromo-2-benzoxazolinone with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, in a well-ventilated area. It is classified as harmful if swallowed and causes serious eye irritation (H302-H319).
Is 5-Bromo-2-benzoxazolinone available for export?
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Yes, Tech Serve Solutions, established in 1998, is a specialist global supplier and exporter of fine chemicals, including 5-Bromo-2-benzoxazolinone.
How can I request a sample or quote for 5-Bromo-2-benzoxazolinone?
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To request a sample or quote, please contact our sales team through the website or by phone, providing your contact details and the quantity required.
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