Description

5-(4-Methoxyphenyl)-1-Methylpyrazole-3-Carboxylic Acid is a high-purity pyrazole derivative serving as a critical building block in advanced organic synthesis. This compound is valued for its structural motif, which is integral to developing novel active pharmaceutical ingredients (APIs) and functional materials. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for the development of new therapeutic agents and high-performance compounds.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new drug candidates, particularly those targeting inflammation, metabolic disorders, and central nervous system (CNS) diseases.
• Agrochemical Synthesis: Used in the creation of novel pesticides, herbicides, and fungicides, leveraging the pyrazole core for biological activity.
• Material Science Research: Serves as a precursor for organic ligands in catalysis or as a monomer for designing specialized polymers with tailored properties.
• Chemical Biology & Proteomics: Employed as a molecular scaffold or a tagging reagent in the study of biological pathways and protein interactions.
• Academic & Industrial R&D: Essential for synthetic chemistry research, method development, and scale-up process optimization in contract research organizations (CROs) and CDMOs.

Basic Information

Product Name	5-(4-Methoxyphenyl)-1-Methylpyrazole-3-Carboxylic Acid
CAS No.	957312-76-4
Molecular Formula	C12H12N2O3
Molecular Weight	232.24 g/mol
Synonyms	1-Methyl-5-(4-methoxyphenyl)-1H-pyrazole-3-carboxylic acid; 5-(4-Methoxyphenyl)-1-methyl-1H-pyrazole-3-carboxylic acid; 1-Methyl-5-(p-methoxyphenyl)pyrazole-3-carboxylic acid; 4-Methoxy-1-methyl-5-phenylpyrazole-3-carboxylic acid (alternative numbering); 957312-76-4; p-Methoxyphenyl methylpyrazole carboxylic acid
EINECS	Contact for details

Quality Control

Our 5-(4-Methoxyphenyl)-1-Methylpyrazole-3-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with customer specifications and supporting regulatory filings for research and development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). The product may be hygroscopic; keep the container tightly sealed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 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.