Description

1H-Pyrazole-1-Carboxylic Acid, 3-Ethyl-4,5-Dihydro-5-Methyl-, Ethyl Ester is a specialized pyrazole derivative ester, a high-value intermediate in advanced organic synthesis. This compound matters for its role as a key building block in the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily needed by R&D chemists and process development scientists working on novel active ingredients, heterocyclic compounds, and fine chemical manufacturing.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and metabolic diseases.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides, herbicides, and fungicides where the pyrazole core imparts specific biological activity.
• Ligand and Catalyst Development: Acts as a starting material for creating specialized ligands used in asymmetric catalysis and transition metal complexes.
• Fine Chemical Production: Employed in the multi-step synthesis of complex, high-value specialty chemicals for electronics and material science applications.
• Academic and Industrial Research: A valuable tool compound for methodological studies in organic chemistry, including new cyclization and functionalization reactions.

Basic Information

Product Name	1H-Pyrazole-1-Carboxylic Acid, 3-Ethyl-4,5-Dihydro-5-Methyl-, Ethyl Ester
CAS No.	413624-91-6
Molecular Formula	C10H16N2O2
Molecular Weight	196.25 g/mol
Synonyms	Ethyl 3-Ethyl-4,5-dihydro-5-methyl-1H-pyrazole-1-carboxylate; 3-Ethyl-4,5-dihydro-5-methyl-1H-pyrazole-1-carboxylic Acid Ethyl Ester; 1-Carbethoxy-3-ethyl-4,5-dihydro-5-methylpyrazole; 1H-Pyrazole-1-carboxylic acid, 3-ethyl-4,5-dihydro-5-methyl-, ethyl ester; 413624-91-6; Ethyl 3-ethyl-5-methyl-4,5-dihydropyrazole-1-carboxylate
EINECS	Contact for details

Quality Control

Our 1H-Pyrazole-1-Carboxylic Acid, 3-Ethyl-4,5-Dihydro-5-Methyl-, Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy, to ensure it meets the high standards required for research and process chemistry. Certificates of Analysis (COA) with full batch traceability are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.