Description

5-Ethyl-1H-Pyrazole-4-Carboxylic Acid is a versatile pyrazole-based carboxylic acid derivative that serves as a critical building block in advanced organic synthesis. Its value lies in its bifunctional structure, which allows for selective modification at both the carboxylic acid and pyrazole nitrogen sites, enabling the construction of complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the development of active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides, leveraging the pyrazole core's bioactivity.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized chelating ligands and organocatalysts used in asymmetric synthesis and metal complexation.
• Material Science Research: Employed in the synthesis of organic frameworks, polymers, and functional materials with specific electronic or binding properties.
• Chemical Biology Probe: Utilized as a scaffold for developing molecular probes and inhibitors to study enzyme function and biological pathways.
• Custom Synthesis and Contract Manufacturing: A fundamental starting material for custom synthesis projects and scale-up production under cGMP or ISO standards.

Basic Information

Product Name	5-Ethyl-1H-Pyrazole-4-Carboxylic Acid
CAS No.	1007541-72-1
Molecular Formula	C6H8N2O2
Molecular Weight	140.14 g/mol
Synonyms	5-Ethyl-1H-pyrazole-4-carboxylic acid; 4-Carboxy-5-ethylpyrazole; 5-Ethyl-4-pyrazolecarboxylic acid; 1H-Pyrazole-4-carboxylic acid, 5-ethyl-; 5-Ethylpyrazole-4-carboxylic acid; 1007541-72-1
EINECS	Contact for details

Quality Control

Our 5-Ethyl-1H-Pyrazole-4-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

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). Keep away from strong acids and incompatible materials. For long-term storage, consider inert gas purging to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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