Description

1H-Pyrazole-3-Carboxylic Acid, 5-Ethyl-4-Methyl- is a high-purity pyrazole derivative serving as a critical building block in advanced organic synthesis. This compound matters for its role as a versatile intermediate in the development of active pharmaceutical ingredients (APIs) and functional agrochemicals. It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors seeking to develop novel compounds with targeted biological activity.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of novel drug candidates, particularly in medicinal chemistry programs.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides that require specific pyrazole cores for bioactivity.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands used in catalytic processes and metal-organic frameworks (MOFs).
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new chemical entities and reaction pathways.
• Material Science: Potential use in the synthesis of organic electronic materials and polymers with specific functional properties.

Basic Information

Product Name	1H-Pyrazole-3-Carboxylic Acid, 5-Ethyl-4-Methyl-
CAS No.	957129-38-3
Molecular Formula	C7H10N2O2
Molecular Weight	154.17 g/mol
Synonyms	5-Ethyl-4-methyl-1H-pyrazole-3-carboxylic acid; 4-Methyl-5-ethyl-1H-pyrazole-3-carboxylic acid; 3-Carboxy-5-ethyl-4-methylpyrazole; 5-Ethyl-4-methylpyrazole-3-carboxylic acid; 1H-Pyrazole-3-carboxylic acid, 5-ethyl-4-methyl-; 957129-38-3; 5-Ethyl-4-methyl-1H-pyrazole-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our 1H-Pyrazole-3-Carboxylic Acid, 5-Ethyl-4-Methyl- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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