Description

1-Ethyl-3-Methyl-1H-Pyrazole-5-Carboxylic Acid Ethyl Ester is a versatile pyrazole derivative ester, a crucial building block in advanced organic synthesis. Its value lies in its functionalized heterocyclic structure, which serves as a key intermediate for constructing more complex molecules with targeted biological or material properties. This compound is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries, where it is used to develop new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for candidates with heterocyclic cores.
• Agrochemical Synthesis: Used as a building block for creating new herbicides, fungicides, and insecticides with improved efficacy and selectivity.
• Material Science Research: Serves as a precursor for the synthesis of specialized polymers, ligands, or organic electronic materials.
• Chemical Research & Development: Employed in academic and industrial labs for method development, catalysis studies, and the exploration of new chemical spaces.
• Fine Chemical Production: Utilized in the multi-step synthesis of complex, high-value specialty chemicals for various industrial applications.

Basic Information

Product Name	1-Ethyl-3-Methyl-1H-Pyrazole-5-Carboxylic Acid Ethyl Ester
CAS No.	5775-89-3
Molecular Formula	C9H14N2O2
Molecular Weight	182.22 g/mol
Synonyms	Ethyl 1-Ethyl-3-methyl-1H-pyrazole-5-carboxylate; 5-Ethoxycarbonyl-1-ethyl-3-methylpyrazole; 1-Ethyl-3-methylpyrazole-5-carboxylic acid ethyl ester; Ethyl 1-ethyl-3-methylpyrazole-5-carboxylate; 1H-Pyrazole-5-carboxylic acid, 1-ethyl-3-methyl-, ethyl ester; NSC 163044; 5-Carbethoxy-1-ethyl-3-methylpyrazole
EINECS	Contact for details

Quality Control

Our 1-Ethyl-3-Methyl-1H-Pyrazole-5-Carboxylic Acid Ethyl Ester is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing specifications such as assay, impurity profile, and physical characteristics. Our quality commitment supports your R&D and scale-up processes with reliable, high-purity material.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic nature, the container should be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Recommended long-term storage temperature is 2-8°C for optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Assay (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.