Methyl 1-ethyl-3-methyl-1H-pyrazole-5-carboxylate
Methyl 1-ethyl-3-methyl-1H-pyrazole-5-carboxylate (CAS: 88398-73-6; C8H12N2O2) is a heterocyclic organic compound with a molecular weight of 168.19 g/mol. This pyrazole derivative functions as a valuable building block in organic synthesis. It is primarily utilised in chemical research and development, offering a versatile scaffold for the construction of more complex molecules. Its specific properties make it a useful intermediate in various synthetic pathways.
- IUPAC
- 1-Ethyl-3-methyl-1H-pyrazole-5-carboxylic acid methyl ester

Organic Synthesis Intermediate
Serves as a key building block in the synthesis of diverse organic compounds. Its pyrazole core and functional groups allow for various chemical transformations, aiding in the creation of novel molecules.
Heterocyclic Chemistry Research
Utilised in academic and industrial research focused on heterocyclic chemistry. The compound's structure is suitable for exploring new reactions and developing methodologies in pyrazole chemistry.
Pharmaceutical Intermediate Development
Can be employed in the early stages of drug discovery and development as an intermediate for potential active pharmaceutical ingredients. Its structure may contribute to desirable pharmacological properties.
| Molecular weight | 168.19 |
|---|---|
| Empirical formula | C8H12N2O2 |
| Refractive index | n20/D 1.485 |

Hazard statements
- H302Harmful if swallowed
| Flash point | 87 °C / 188.6 °F |
|---|---|
| Transport (UN / ADR) | NA 1993 / PGIII |
| 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 Methyl 1-ethyl-3-methyl-1H-pyrazole-5-carboxylate used for?
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This compound is primarily used as a building block in organic synthesis and in heterocyclic chemistry research. It serves as an intermediate in the development of more complex molecules, potentially including pharmaceutical agents.
What is the CAS number and chemical formula for this product?
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The CAS number is 88398-73-6, and the chemical formula is C8H12N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical typically as a research or technical grade. We do not represent it as USP, BP, EP, or pharmacopoeia grade unless explicitly stated on the Certificate of Analysis.
How should Methyl 1-ethyl-3-methyl-1H-pyrazole-5-carboxylate be handled?
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This compound is classified as harmful if swallowed (H302). Handle with appropriate personal protective equipment in a well-ventilated area. Refer to the Safety Data Sheet (SDS) for detailed handling and safety precautions.
Is this product available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals. This product can be shipped internationally, subject to relevant regulations.
How can I request a quote or sample?
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To request a quote or sample, please contact our sales department through the website or provide your requirements directly to our customer service team.
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