2-Amino-5-(2-chlorophenyl)-1,3,4-oxadiazole
2-Amino-5-(2-chlorophenyl)-1,3,4-oxadiazole (CAS: 2138-98-9) is a halogenated heterocyclic organic compound with the molecular formula C8H6ClN3O and a molecular weight of 195.61 g/mol. This oxadiazole derivative serves as a valuable building block in chemical synthesis, particularly within the fields of medicinal chemistry and materials science. Its structure facilitates further functionalization for the development of novel compounds.
- Synonyms
- 2138-98-9, C8H6ClN3O

Pharmaceutical Intermediate
This compound acts as a key intermediate in the synthesis of various biologically active molecules. Its heterocyclic core is often incorporated into drug discovery programs targeting diverse therapeutic areas.
Chemical Synthesis Building Block
As a versatile building block, 2-Amino-5-(2-chlorophenyl)-1,3,4-oxadiazole is utilized in the construction of more complex organic structures. It is particularly useful for introducing the oxadiazole moiety into target molecules.
Research and Development
It is employed in academic and industrial research laboratories for exploring new chemical reactions and developing novel materials. Its specific structure makes it a useful starting point for exploring structure-activity relationships.
| Molecular weight | 195.61 |
|---|---|
| Empirical formula | C8H6ClN3O |
| Assay | 97% |
| Melting point | 165-169 °C |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| 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 2-Amino-5-(2-chlorophenyl)-1,3,4-oxadiazole used for?
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2-Amino-5-(2-chlorophenyl)-1,3,4-oxadiazole is primarily used as a building block in chemical synthesis, particularly for the development of pharmaceutical intermediates and novel organic compounds in research settings.
What is the CAS number and molecular formula for 2-Amino-5-(2-chlorophenyl)-1,3,4-oxadiazole?
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The CAS number is 2138-98-9 and the molecular formula is C8H6ClN3O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Amino-5-(2-chlorophenyl)-1,3,4-oxadiazole with an assay of 97%. We do not represent this product as USP, BP, EP or any pharmacopoeia grade.
How should 2-Amino-5-(2-chlorophenyl)-1,3,4-oxadiazole be handled safely?
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Due to its hazardous nature (Danger, H301-H315-H319-H335), handle with appropriate personal protective equipment including a dust mask (type N95), eyeshields, face shields, and gloves. Ensure adequate ventilation to avoid inhalation. Refer to the safety data sheet for comprehensive handling instructions.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions professionally packs, handles, and exports chemicals globally in compliance with all relevant transportation regulations, including UN 2811, 6.1 / PGIII for this product.
How can I request a sample or quote for 2-Amino-5-(2-chlorophenyl)-1,3,4-oxadiazole?
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To request a sample or a quotation, please contact our sales department via the website or by phone, providing the product name and CAS number (2138-98-9).
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