5-Amino-1-(3-chlorophenyl)-1H-pyrazole-4-carbonitrile
5-Amino-1-(3-chlorophenyl)-1H-pyrazole-4-carbonitrile (CAS 51516-68-8), with the molecular formula C10H7ClN4 and a molecular weight of 218.64 g/mol, is a halogenated heterocyclic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. This compound is supplied by TSS with a purity of 97%, making it suitable for research and development applications.

Organic Synthesis Intermediate
This pyrazole derivative acts as a versatile intermediate in the synthesis of more complex organic molecules. Its functional groups allow for various derivatisation reactions.
Pharmaceutical Research
As a heterocyclic building block, it holds potential in the development of novel pharmaceutical agents. Its structure is amenable to modifications for drug discovery programs.
Agrochemical Development
The pyrazole core and halogen substituents are common features in certain agrochemicals, suggesting its utility in the research and synthesis of new pesticides or herbicides.
| Molecular weight | 218.64 |
|---|---|
| Empirical formula | C10H7ClN4 |
| Assay | 97% |
| Melting point | 183-187 °C |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- 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) | 22-37/38-41 |
| Safety statements (S) | 26-36/39 |
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 5-Amino-1-(3-chlorophenyl)-1H-pyrazole-4-carbonitrile used for?
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This compound is primarily used as a building block in organic synthesis, with potential applications in pharmaceutical and agrochemical research and development.
What are the CAS number and chemical formula for this compound?
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The CAS number is 51516-68-8 and the empirical formula is C10H7ClN4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product at a purity of 97%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 5-Amino-1-(3-chlorophenyl)-1H-pyrazole-4-carbonitrile be handled?
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This compound is classified as harmful if swallowed, causes skin irritation, causes serious eye damage, and may cause respiratory irritation. Appropriate personal protective equipment, including a dust mask (N95), eyeshields, face shields, and gloves, must be used. Ensure adequate ventilation and avoid dust formation.
Is this chemical controlled or scheduled?
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The provided data does not indicate that this chemical is a controlled or scheduled substance.
How is this product packed and shipped?
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This product is available for export. Packaging details will be provided upon request, adhering to international shipping regulations for chemical substances.
How can I request a quote or sample?
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To request a quote or a sample, please use the contact form on our website or call our sales department directly.
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