3-Aminopyrazole-4-carbonitrile
3-Aminopyrazole-4-carbonitrile (CAS: 16617-46-2; Formula: C4H4N4) is a heterocyclic organic compound with a molecular weight of 108.10 g/mol. It serves as a valuable building block in organic synthesis, particularly for the construction of complex heterocyclic systems. Its primary application lies in research and development, including its use in the study of impurities in pharmaceutical active ingredients.
- IUPAC
- 3-Amino-4-cyanopyrazole

Pharmaceutical Impurity Studies
3-Aminopyrazole-4-carbonitrile has been utilised in analytical chemistry for the study of impurities found in bulk pharmaceutical drugs, such as zaleplon. This aids in quality control and regulatory compliance within the pharmaceutical industry.
Heterocyclic Compound Synthesis
As a pyrazole derivative, this compound is a key intermediate for synthesising a range of nitrogen-containing heterocyclic compounds. These are often explored for their potential biological activities in drug discovery programmes.
Chemical Research Reagent
This chemical acts as a versatile building block in general organic synthesis laboratories. It allows researchers to introduce the aminopyrazole moiety into target molecules for various research purposes.
| Molecular weight | 108.10 |
|---|---|
| Empirical formula | C4H4N4 |
| Assay | 97% |
| Application | 3-amino-4-cyanopyrazole was used to study the impurities in zaleplon bulk drug1. |
| Melting point | 172-174 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 3-Aminopyrazole-4-carbonitrile used for?
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3-Aminopyrazole-4-carbonitrile is primarily used as a building block in organic synthesis, particularly for creating heterocyclic compounds, and in studies related to pharmaceutical impurities.
What are the CAS number and molecular formula for 3-Aminopyrazole-4-carbonitrile?
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The CAS number is 16617-46-2 and the molecular formula is C4H4N4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Aminopyrazole-4-carbonitrile with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 3-Aminopyrazole-4-carbonitrile be handled?
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Handle 3-Aminopyrazole-4-carbonitrile with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The substance has a WGK rating of 3 in Germany, indicating it is hazardous to water.
Is 3-Aminopyrazole-4-carbonitrile a controlled substance?
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The provided data does not indicate that 3-Aminopyrazole-4-carbonitrile is a controlled substance.
How is 3-Aminopyrazole-4-carbonitrile packed and shipped?
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3-Aminopyrazole-4-carbonitrile is packed and exported by Tech Serve Solutions according to standard chemical handling and shipping regulations for fine chemicals.
How can I request a quote or sample for 3-Aminopyrazole-4-carbonitrile?
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To request a quote or sample, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements.
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