Ethyl 5-amino-1-phenyl-4-pyrazolecarboxylate
Ethyl 5-amino-1-phenyl-4-pyrazolecarboxylate (CAS: 16078-71-0) is a heterocyclic organic compound with the molecular formula C12H13N3O2 and a molecular weight of 231.25 g/mol. It serves as a valuable building block in organic synthesis, particularly in the development of complex molecules within the pharmaceutical and chemical industries. Its pyrazole core makes it useful for constructing novel chemical entities for research and development purposes.

Organic Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of more complex organic molecules. Its structure, featuring a pyrazole ring and reactive functional groups, allows for diverse chemical transformations.
Pharmaceutical Research
It is employed in the early stages of drug discovery and development. Its heterocyclic nature is often found in biologically active compounds, making it a useful scaffold for medicinal chemists.
Chemical Research
Utilised in academic and industrial research settings for exploring new synthetic pathways and creating novel chemical compounds with potential applications in various fields.
| Molecular weight | 231.25 |
|---|---|
| Empirical formula | C12H13N3O2 |
| Assay | 98% |
| Melting point | 98-100 °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) | 26-37/39 |
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 Ethyl 5-amino-1-phenyl-4-pyrazolecarboxylate used for?
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Ethyl 5-amino-1-phenyl-4-pyrazolecarboxylate is primarily used as a building block and intermediate in organic synthesis, particularly for research and development in the pharmaceutical and chemical industries.
What is the CAS number and formula for this compound?
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The CAS number is 16078-71-0 and the empirical formula (Hill Notation) is C12H13N3O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl 5-amino-1-phenyl-4-pyrazolecarboxylate with an assay of 98%. This product is intended for research and chemical synthesis and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Ethyl 5-amino-1-phenyl-4-pyrazolecarboxylate 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). Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, in a well-ventilated area.
Is this chemical a controlled substance?
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Based on the provided data, there is no indication that Ethyl 5-amino-1-phenyl-4-pyrazolecarboxylate (CAS: 16078-71-0) is a controlled substance.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions packages chemicals securely for safe transit. We are experienced global suppliers and exporters, adhering to all necessary regulations for international chemical shipments.
How can I request a sample or quote?
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To request a sample or a quotation for Ethyl 5-amino-1-phenyl-4-pyrazolecarboxylate, please contact our sales department through the website or by phone.
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