Ethyl 1-methyl-1H-pyrazole-5-carboxylate
Ethyl 1-methyl-1H-pyrazole-5-carboxylate (CAS: 197079-26-8, C7H10N2O2) is a heterocyclic organic compound with a molecular weight of 154.17 g/mol. This pyrazole derivative serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. Its structure makes it suitable for incorporation into more complex molecular architectures, finding utility in research and development settings for the creation of novel compounds.
- IUPAC
- 1-Methylpyrazole-5-carboxylic acid ethyl ester,Ethyl 1-methylpyrazole-5-carboxylate
- Synonyms
- 1-Methylpyrazole-5-carboxylic acid ethyl esterEthyl 1-methylpyrazole-5-carboxylate

Chemical Synthesis
Ethyl 1-methyl-1H-pyrazole-5-carboxylate is employed as a versatile building block in organic synthesis. Its pyrazole core and ester functionality allow for diverse chemical transformations.
Heterocyclic Chemistry
This compound is a useful intermediate for constructing more complex heterocyclic systems. It is often utilized in the development of novel molecules with potential applications in various scientific fields.
Research and Development
As a fine chemical, it is used in R&D laboratories for the exploration of new chemical pathways and the synthesis of target molecules.
| Molecular weight | 154.17 |
|---|---|
| Empirical formula | C7H10N2O2 |
| Assay | 97% |
| Density | 1.082 g/mL at 25 °C |
| Refractive index | n20/D 1.483 |
| Flash point | 87 °C / 188.6 °F |
|---|---|
| Transport (UN / ADR) | NA 1993 / PGIII |
| 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 Ethyl 1-methyl-1H-pyrazole-5-carboxylate used for?
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Ethyl 1-methyl-1H-pyrazole-5-carboxylate is primarily used as a building block in chemical synthesis, particularly in the field of heterocyclic chemistry for research and development purposes.
What is the CAS number and formula for Ethyl 1-methyl-1H-pyrazole-5-carboxylate?
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The CAS number is 197079-26-8, and the empirical formula (Hill notation) is C7H10N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl 1-methyl-1H-pyrazole-5-carboxylate with an assay of 97%. This product is supplied for research and laboratory use and is not represented as USP, EP, BP, or any pharmacopoeia grade.
What are the safety and handling considerations for this chemical?
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Ethyl 1-methyl-1H-pyrazole-5-carboxylate is classified under NA 1993 / PGIII (Flammable liquid, n.o.s.) and has a flash point of 87 °C (188.6 °F). It is considered to have a high hazard (WGK Germany 3). Handle with appropriate personal protective equipment 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 1-methyl-1H-pyrazole-5-carboxylate is a controlled substance.
How is this chemical shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Shipments are handled in accordance with international regulations for hazardous materials, including classification under NA 1993 / PGIII.
How can I request a sample or quote?
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To request a sample or a quote for Ethyl 1-methyl-1H-pyrazole-5-carboxylate, please contact our sales department through the website or by phone, providing your specific requirements and shipping details.
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