Description

Ethyl 4,5-Dihydro-1H-Pyrazole-5-Carboxylate is a versatile heterocyclic building block and key synthetic intermediate in organic chemistry. Its value lies in its functionalized pyrazoline core, which is integral to constructing more complex nitrogen-containing molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it serves as a precursor for active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of various pharmacologically active compounds, including potential central nervous system (CNS) agents and anti-inflammatory drugs.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides, leveraging its heterocyclic structure for biological activity.
• Organic Synthesis & Research: Serves as a versatile precursor for creating novel heterocyclic compounds, dyes, and complex ligands in academic and industrial R&D settings.
• Material Science: Potential intermediate in the synthesis of specialty polymers, liquid crystals, or organic electronic materials due to its rigid molecular structure.

Basic Information

Product Name	Ethyl 4,5-Dihydro-1H-Pyrazole-5-Carboxylate
CAS No.	89600-89-5
Molecular Formula	C6H10N2O2
Molecular Weight	142.16 g/mol
Synonyms	5-Ethoxycarbonyl-4,5-dihydro-1H-pyrazole; Ethyl 2,3-dihydro-1H-pyrazole-5-carboxylate; 1H-Pyrazole-5-carboxylic acid, 4,5-dihydro-, ethyl ester; Ethyl 4,5-dihydro-1H-pyrazole-5-carboxylate; 5-Carbethoxy-2-pyrazoline; 5-Ethoxycarbonyl-2-pyrazoline; Ethyl 2-pyrazoline-5-carboxylate
EINECS	Contact for details

Quality Control

Our Ethyl 4,5-Dihydro-1H-Pyrazole-5-Carboxylate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay (by HPLC), residual solvents, and related substances is provided with every shipment to guarantee compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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