Description

1H-Pyrazole-3-Carboxylicacid,1-Ethyl-,Methylester(9Ci) is a versatile pyrazole derivative, a heterocyclic compound valued for its role as a key synthetic intermediate in advanced organic chemistry. This compound matters because it provides a functionalized scaffold essential for constructing more complex molecules in pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists in the life sciences sector for applications such as medicinal chemistry and crop protection agent synthesis.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for candidates targeting various disease pathways.
• Agrochemical Research: Serves as a core structure for developing new herbicides, fungicides, and insecticides with improved efficacy and environmental profiles.
• Chemical Synthesis: Used in academic and industrial laboratories for constructing complex heterocyclic systems and exploring new chemical spaces.
• Material Science Precursor: Potential application in the development of specialty polymers, ligands for catalysis, and organic electronic materials.

Basic Information

Product Name	1H-Pyrazole-3-Carboxylicacid,1-Ethyl-,Methylester(9Ci)
CAS No.	89943-27-1
Molecular Formula	C7H10N2O2
Molecular Weight	154.17 g/mol
Synonyms	1-Ethyl-1H-pyrazole-3-carboxylic acid methyl ester; Methyl 1-ethyl-1H-pyrazole-3-carboxylate; 1-Ethylpyrazole-3-carboxylic Acid Methyl Ester; 1-Ethyl-3-(methoxycarbonyl)pyrazole; 1-Ethyl-1H-pyrazole-3-carboxylic acid, methyl ester; 89943-27-1; 1-Ethylpyrazole-3-methyl carboxylate
EINECS	Contact for details

Quality Control

Our 1H-Pyrazole-3-Carboxylicacid,1-Ethyl-,Methylester(9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay (by HPLC), identity (by IR/NMR), and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from strong bases and incompatible organic solvents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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