2-Amino-5-(4-nitrophenyl)-1,3,4-oxadiazole
2-Amino-5-(4-nitrophenyl)-1,3,4-oxadiazole (CAS 51891-79-3) is a heterocyclic organic compound with the molecular formula C8H6N4O3 and a molecular weight of 206.16 g/mol. This compound serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. It is supplied by Tech Serve Solutions at a purity of 97%, suitable for research and development purposes.
- Synonyms
- 51891-79-3

Heterocyclic Synthesis
This oxadiazole derivative acts as a key intermediate in the synthesis of more complex heterocyclic structures. Its reactive amino group and the electron-withdrawing nitro-substituted phenyl ring offer versatile reaction pathways for chemists.
Pharmaceutical Intermediate
Compounds featuring the 1,3,4-oxadiazole core are frequently explored in medicinal chemistry. This molecule can be a starting point for the development of novel drug candidates due to its potential biological activities.
Material Science Research
The electronic properties imparted by the nitrophenyl and oxadiazole moieties make this compound of interest in material science research. It may be investigated for applications in organic electronics or optoelectronic devices.
| Molecular weight | 206.16 |
|---|---|
| Empirical formula | C8H6N4O3 |
| Assay | 97% |
| Melting point | 245-249 °C |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| 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 2-Amino-5-(4-nitrophenyl)-1,3,4-oxadiazole used for?
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2-Amino-5-(4-nitrophenyl)-1,3,4-oxadiazole is primarily used as a building block in chemical synthesis, particularly for creating complex heterocyclic structures and as an intermediate in pharmaceutical research and material science.
What is the CAS number and formula for 2-Amino-5-(4-nitrophenyl)-1,3,4-oxadiazole?
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The CAS number is 51891-79-3 and the empirical formula is C8H6N4O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Amino-5-(4-nitrophenyl)-1,3,4-oxadiazole with an assay of 97%. This product is intended for laboratory and research use and is not represented as USP, BP, EP, or other pharmacopoeial grades.
How should 2-Amino-5-(4-nitrophenyl)-1,3,4-oxadiazole be handled?
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This compound is classified as harmful if swallowed and causes serious eye irritation (H302, H319). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, face shields, and gloves, should be worn. Handle in a well-ventilated area.
Is 2-Amino-5-(4-nitrophenyl)-1,3,4-oxadiazole a controlled substance?
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Based on the provided data, there is no indication that 2-Amino-5-(4-nitrophenyl)-1,3,4-oxadiazole is a controlled substance.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions packs and exports chemicals in compliance with all relevant international shipping regulations. Specific packaging details will be confirmed upon order.
How can I request a sample or quote for 2-Amino-5-(4-nitrophenyl)-1,3,4-oxadiazole?
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To request a sample or quote, please use the contact form on our website or contact our sales department directly, referencing the product name and CAS number.
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