7-Chloro-2-mercaptobenzoxazole
7-Chloro-2-mercaptobenzoxazole (CAS: 51793-93-2) is a halogenated heterocyclic compound with the molecular formula C7H4ClNOS and a molecular weight of 185.63 g/mol. This oxazole derivative serves as a valuable building block in chemical synthesis. It is frequently employed in the creation of more complex organic molecules, particularly within research and development settings in the pharmaceutical and agrochemical industries. Its structure offers reactive sites for further chemical modification.

Organic Synthesis Intermediate
Utilised as a key intermediate in multi-step organic synthesis pathways. Its functional groups allow for diverse chemical transformations, aiding in the construction of novel molecular architectures.
Heterocyclic Chemistry
Serves as a foundational component in the synthesis of various heterocyclic compounds. Particularly useful for introducing the benzoxazole moiety into target molecules.
Research and Development
Employed in academic and industrial research laboratories for the exploration of new chemical entities and reaction methodologies. Supports discovery efforts in medicinal chemistry and materials science.
| Molecular weight | 185.63 |
|---|---|
| Empirical formula | C7H4ClNOS |
| Assay | 97% |
| Melting point | 252-256 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 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 7-Chloro-2-mercaptobenzoxazole used for?
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7-Chloro-2-mercaptobenzoxazole is primarily used as a building block in chemical synthesis, particularly in the development of new heterocyclic compounds for research purposes.
What is the CAS number and chemical formula for 7-Chloro-2-mercaptobenzoxazole?
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The CAS number is 51793-93-2, and the empirical formula is C7H4ClNOS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 7-Chloro-2-mercaptobenzoxazole with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 7-Chloro-2-mercaptobenzoxazole be handled?
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This compound is classified as a Warning. It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Use appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation.
Is 7-Chloro-2-mercaptobenzoxazole a controlled substance?
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The provided data does not indicate that 7-Chloro-2-mercaptobenzoxazole is a controlled substance.
How is 7-Chloro-2-mercaptobenzoxazole packed and exported?
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Tech Serve Solutions carefully packs and exports fine chemicals and reagents globally, adhering to all necessary international shipping regulations to ensure safe and compliant delivery.
How can I request a sample or quote for 7-Chloro-2-mercaptobenzoxazole?
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Please contact our sales department via the website or direct email to request a sample or a quotation for 7-Chloro-2-mercaptobenzoxazole.
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