5-Chloro-3-phenyl-2,1-benzisoxazole
5-Chloro-3-phenyl-2,1-benzisoxazole (CAS 719-64-2) is a halogenated heterocyclic compound with the molecular formula C13H8ClNO and a molecular weight of 229.66 g/mol. This chemical serves as a valuable building block in organic synthesis, particularly in the development of novel compounds within pharmaceutical research and materials science. Its specific structure offers unique reactivity for chemical transformations.
- IUPAC
- 5-Chloro-3-phenylanthranil
- Synonyms
- 5-Chloro-3-phenyl-2,1-benzisoxazole5-Chloro-3-phenylbenzisoxazole5-Chloro-3-phenyl-1,2-benzisoxazole5-chloro-3-phenyl-benzo[d]isoxazole5-Chloro-3-phenylanthranil

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of more complex organic molecules. Its benzisoxazole core and chloro-phenyl substitution enable diverse chemical modifications.
Pharmaceutical Research
A potential building block for the development of new pharmaceutical agents. Its heterocyclic structure can be incorporated into scaffolds targeting various biological pathways.
Materials Science
Can be employed in the synthesis of novel materials with specific electronic or optical properties, owing to its aromatic and heterocyclic nature.
| Molecular weight | 229.66 |
|---|---|
| Empirical formula | C13H8ClNO |
| Assay | 97% |
| Melting point | 115-117 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H413May cause long-lasting harmful effects to aquatic life
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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-Chloro-3-phenyl-2,1-benzisoxazole used for?
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5-Chloro-3-phenyl-2,1-benzisoxazole is primarily used as a building block in organic synthesis, particularly in pharmaceutical research and materials science for creating complex molecules.
What is the CAS number and formula for 5-Chloro-3-phenyl-2,1-benzisoxazole?
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The CAS number is 719-64-2 and the empirical formula is C13H8ClNO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Chloro-3-phenyl-2,1-benzisoxazole with a minimum assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated in the product documentation.
How should I handle 5-Chloro-3-phenyl-2,1-benzisoxazole?
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Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, faceshields, and gloves. Avoid ingestion (H302) and be aware of potential long-term adverse effects in the aquatic environment (H413). Ensure adequate ventilation.
Is 5-Chloro-3-phenyl-2,1-benzisoxazole a controlled substance?
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The provided data does not indicate that 5-Chloro-3-phenyl-2,1-benzisoxazole is a controlled substance.
How is 5-Chloro-3-phenyl-2,1-benzisoxazole packed, shipped, and exported?
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Tech Serve Solutions specialises in the global supply and export of fine chemicals. Product is carefully packed according to international shipping regulations. Please contact us for specific export details.
How can I request a sample or quote for 5-Chloro-3-phenyl-2,1-benzisoxazole?
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To request a sample or a quote, please use the contact form on our website or contact our sales department directly, referencing the product name and CAS number 719-64-2.
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