Description

4-Chloro-1-Methyl-3-Propyl-1H-Pyrazole-5-Carboxylic Acid is a high-purity pyrazole carboxylic acid derivative serving as a critical synthetic intermediate in advanced organic chemistry. This compound matters because it provides a versatile and functionalized scaffold for constructing complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and agrochemicals. It is essential for research chemists and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require reliable, high-quality building blocks for their synthesis pipelines.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Used in the research and production of modern pesticides and herbicides, where the pyrazole core contributes to biological activity.
• Chemical Research & Development: Serves as a versatile precursor in academic and industrial R&D for exploring new chemical entities and reaction pathways.
• Ligand and Catalyst Development: Utilized in the preparation of specialized ligands for metal-organic frameworks (MOFs) or catalytic systems.
• Material Science Precursor: Can be employed in the synthesis of organic electronic materials or functional polymers.

Basic Information

Product Name	4-Chloro-1-Methyl-3-Propyl-1H-Pyrazole-5-Carboxylic Acid
CAS No.	128537-49-5
Molecular Formula	C8H11ClN2O2
Molecular Weight	202.64 g/mol
Synonyms	4-Chloro-1-methyl-3-propyl-1H-pyrazole-5-carboxylic acid; 1-Methyl-3-propyl-4-chloro-1H-pyrazole-5-carboxylic acid; 4-Chloro-1-methyl-3-propylpyrazole-5-carboxylic acid; 5-Carboxy-4-chloro-1-methyl-3-propylpyrazole; 128537-49-5; 4-Chloro-1-methyl-3-n-propyl-1H-pyrazole-5-carboxylic acid
EINECS	Contact for details

Quality Control

Our 4-Chloro-1-Methyl-3-Propyl-1H-Pyrazole-5-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical quality parameters. Our commitment to quality supports compliance in cGMP and ISO 9001 environments for our global partners.

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 bases and oxidizing agents. For long-term storage, consider inert atmosphere conditions to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.