Description

3-Ethyl-4-Methyl-1H-Pyrazole-5-Carboxylic Acid (Saltdata: Free) is a high-purity pyrazole carboxylic acid derivative serving as a critical building block in advanced organic synthesis. Its value lies in providing a functionalized heterocyclic core essential for constructing complex molecules with targeted properties. This compound is primarily needed by research and development chemists and process scale-up teams in the pharmaceutical and agrochemical industries for developing new active ingredients.

Application

• Pharmaceutical Intermediate: Key synthon for the development of novel active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs targeting various disease states.
• Agrochemical Research: Used in the synthesis of new generation herbicides, fungicides, and insecticides, leveraging the pyrazole moiety's bioactivity.
• Ligand Synthesis: Serves as a precursor for creating specialized ligands in coordination chemistry and catalysis.
• Material Science: Building block for functional polymers or organic electronic materials where the carboxylic acid group allows for further modification and polymerization.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological processes and target engagement.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for custom synthesis projects requiring specific pyrazole derivatives.

Basic Information

Product Name	3-Ethyl-4-Methyl-1H-Pyrazole-5-Carboxylic Acid (Saltdata: Free)
CAS No.	1094347-64-4
Molecular Formula	C7H10N2O2
Molecular Weight	154.17 g/mol
Synonyms	3-Ethyl-4-methyl-1H-pyrazole-5-carboxylic acid; 5-Carboxy-3-ethyl-4-methylpyrazole; 1H-Pyrazole-5-carboxylic acid, 3-ethyl-4-methyl-; 3-Ethyl-4-methylpyrazole-5-carboxylic acid; 4-Methyl-3-ethyl-1H-pyrazole-5-carboxylic acid; 3-Ethyl-4-methyl-1H-pyrazole-5-carboxylic acid (free acid); 1094347-64-4 (CAS Registry Number)
EINECS	Contact for details

Quality Control

Our 3-Ethyl-4-Methyl-1H-Pyrazole-5-Carboxylic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical quality attributes are provided and available upon request to support your regulatory and R&D needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after each use to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
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.