2-Amino-5-chlorobenzoxazole
2-Amino-5-chlorobenzoxazole (CAS: 61-80-3) is a halogenated heterocyclic compound with the molecular formula C7H5ClN2O and a molecular weight of 168.58 g/mol. This chemical serves as a valuable building block in organic synthesis, particularly for the construction of more complex molecular architectures. Its structure, featuring an oxazole ring substituted with an amino and a chlorine group, makes it a versatile intermediate for the development of novel compounds in research and development settings.
- IUPAC
- Zoxazolamine

Organic Synthesis Intermediate
Utilised as a key building block in multi-step organic syntheses. Its reactive functional groups allow for diverse chemical transformations, enabling the creation of novel heterocyclic compounds for various research purposes.
Pharmaceutical Research
Serves as a precursor or intermediate in the exploration of new pharmaceutical agents. The benzoxazole core is found in various biologically active molecules, making this compound of interest in drug discovery efforts.
Materials Science Exploration
Can be employed in the synthesis of specialised organic materials. Its heterocyclic nature may impart unique electronic or optical properties suitable for advanced material applications.
| Molecular weight | 168.58 |
|---|---|
| Empirical formula | C7H5ClN2O |
| Assay | 97% |
| Melting point | 181-184 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- 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) | 20/21/22-36/37/38 |
| Safety statements (S) | 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 2-Amino-5-chlorobenzoxazole used for?
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2-Amino-5-chlorobenzoxazole (CAS: 61-80-3) is primarily used as a versatile building block in organic synthesis, particularly for creating novel heterocyclic compounds and as an intermediate in pharmaceutical research.
What are the CAS number and formula for 2-Amino-5-chlorobenzoxazole?
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The CAS number for 2-Amino-5-chlorobenzoxazole is 61-80-3, and its molecular formula is C7H5ClN2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Amino-5-chlorobenzoxazole with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling precautions for 2-Amino-5-chlorobenzoxazole?
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2-Amino-5-chlorobenzoxazole is classified as a Warning substance with hazards including H302 (Harmful if swallowed), H312 (Harmful in contact with skin), H315 (Causes skin irritation), H319 (Causes serious eye irritation), H332 (Harmful if inhaled), and H335 (May cause respiratory irritation). Recommended personal protective equipment includes a dust mask type N95, eyeshields, and gloves. Handle in a well-ventilated area and avoid dust formation.
How is 2-Amino-5-chlorobenzoxazole packed and shipped?
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2-Amino-5-chlorobenzoxazole is carefully packed in compliance with international shipping regulations. As a global supplier and exporter, Tech Serve Solutions ensures secure packaging for safe transit worldwide.
How can I request a quote or sample?
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To request a quote or a sample of 2-Amino-5-chlorobenzoxazole, please use the 'Request Quote' or 'Request Sample' buttons on our product page, or contact our sales team directly.
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