Ethyl 4-pyrazolecarboxylate
Ethyl 4-pyrazolecarboxylate (CAS: 37622-90-5) is a pyrazole derivative with the molecular formula C6H8N2O2 and a molecular weight of 140.14 g/mol. This heterocyclic compound serves as a valuable building block in chemical synthesis. It is primarily utilised as a starting material in the preparation of other complex molecules, including chlorinated pyrazoles, and in various catalytic reactions such as N-arylation.
Synthesis of 4-Chloromethylpyrazole
Ethyl 4-pyrazolecarboxylate is employed as a precursor in the synthetic pathway leading to 4-chloromethylpyrazole, a useful intermediate in organic chemistry.
N-Arylation Reactions
This compound acts as a starting material in copper-diamine-catalyzed N-arylation reactions, facilitating the formation of new carbon-nitrogen bonds.
Heterocyclic Building Block
As a versatile heterocyclic building block, Ethyl 4-pyrazolecarboxylate can be incorporated into a variety of complex molecular structures for research and development purposes.
| Molecular weight | 140.14 |
|---|---|
| Empirical formula | C6H8N2O2 |
| Assay | 99% |
| Boiling point | 138-140 °C/3 mmHg(lit.) |
| Application | Ethyl 4-pyrazolecarboxylate was used in the preparation of 4-chloromethylpyrazole.1 It was also used as starting material in a copper-diamine-catalyzed N-arylation reaction.1 |
| Melting point | 78-80 °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 4-pyrazolecarboxylate used for?
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Ethyl 4-pyrazolecarboxylate is used as a starting material in chemical synthesis, notably for preparing 4-chloromethylpyrazole and in N-arylation reactions.
What are the CAS number and formula for Ethyl 4-pyrazolecarboxylate?
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The CAS number is 37622-90-5 and the empirical formula is C6H8N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl 4-pyrazolecarboxylate with a purity of 99%. We do not represent this product as USP, BP, or EP grade.
How should Ethyl 4-pyrazolecarboxylate be handled safely?
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Ethyl 4-pyrazolecarboxylate is a Warning substance, classified with H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (type N95 US recommended). Ensure adequate ventilation.
Can Tech Serve Solutions export Ethyl 4-pyrazolecarboxylate?
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Yes, Tech Serve Solutions specialises in the global supply and export of fine chemicals, including Ethyl 4-pyrazolecarboxylate.
How can I request a quote or sample for Ethyl 4-pyrazolecarboxylate?
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To request a quote or sample, please contact our sales team directly through our website or by phone.
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