Diethyl 3,5-pyrazoledicarboxylate
Diethyl 3,5-pyrazoledicarboxylate (CAS: 37687-24-4) is a pyrazole derivative with the molecular formula C9H12N2O4 and a molecular weight of 212.20 g/mol. This compound serves as a valuable building block in organic synthesis, particularly within the realm of heterocyclic chemistry. Its structure lends itself to further chemical modifications, making it a useful intermediate for the development of more complex molecules, potentially for research and development in various chemical sectors.
- Synonyms
- C9H12N2O437687-24-4

Heterocyclic Synthesis Intermediate
Diethyl 3,5-pyrazoledicarboxylate is employed as a key intermediate in the synthesis of various heterocyclic compounds. Its pyrazole core can be functionalised or incorporated into larger molecular structures.
Research and Development
This compound is utilised in research laboratories for exploring novel chemical pathways and developing new molecular entities. It serves as a versatile starting material for academic and industrial R&D projects.
Fine Chemical Synthesis
As a fine chemical, it is used in multi-step syntheses for the creation of specialised chemical products. Its defined structure and reactivity profile make it suitable for precise chemical transformations.
| Molecular weight | 212.20 |
|---|---|
| Empirical formula | C9H12N2O4 |
| Assay | 98% |
| Melting point | 55-58 °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) | 26-36 |
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 Diethyl 3,5-pyrazoledicarboxylate used for?
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Diethyl 3,5-pyrazoledicarboxylate is primarily used as a building block and intermediate in organic synthesis, particularly for heterocyclic compounds in research and development and fine chemical manufacturing.
What is the CAS number and formula for Diethyl 3,5-pyrazoledicarboxylate?
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The CAS number is 37687-24-4 and the empirical formula is C9H12N2O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Diethyl 3,5-pyrazoledicarboxylate with an assay of 98%. We do not represent this product as USP, BP, EP, or for pharmaceutical, nutraceutical, or food use unless explicitly stated.
How should Diethyl 3,5-pyrazoledicarboxylate be handled?
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Handle Diethyl 3,5-pyrazoledicarboxylate with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust. Ensure adequate ventilation. It is classified as a skin irritant, eye irritant, and respiratory irritant (H315-H319-H335).
Is Diethyl 3,5-pyrazoledicarboxylate a controlled substance?
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Based on the provided data, Diethyl 3,5-pyrazoledicarboxylate is not indicated as a controlled substance.
How is Diethyl 3,5-pyrazoledicarboxylate packed and shipped?
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Diethyl 3,5-pyrazoledicarboxylate is exported by TSS in compliance with international shipping regulations for chemicals, ensuring safe and secure transit.
How can I request a sample or quote?
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To request a sample or obtain a quotation for Diethyl 3,5-pyrazoledicarboxylate, please contact our sales department through the website or directly via email or phone.
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