Description

1H-Pyrazole-4-Carboxylic Acid, 1-Methyl-, Methyl Ester is a versatile pyrazole derivative ester, serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in providing a functionalized pyrazole core, enabling the construction of complex molecules for research and development. This compound is essential for pharmaceutical chemists, agrochemical researchers, and material scientists engaged in the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in developing candidates with pyrazole-based pharmacophores.
• Agrochemical Research: Used in the development and production of modern pesticides, herbicides, and fungicides, where the pyrazole moiety contributes to biological activity.
• Chemical Synthesis: Serves as a versatile precursor for further functionalization, including hydrolysis to the corresponding acid or transesterification reactions.
• Material Science: Potential monomer or precursor for creating specialized polymers, ligands for metal-organic frameworks (MOFs), or organic electronic materials.
• Academic & R&D: Fundamental reagent in university and industrial research laboratories for methodological studies and exploring new chemical spaces.

Basic Information

Product Name	1H-Pyrazole-4-Carboxylic Acid, 1-Methyl-, Methyl Ester
CAS No.	88398-84-9
Molecular Formula	C6H8N2O2
Molecular Weight	140.14 g/mol
Synonyms	Methyl 1-methyl-1H-pyrazole-4-carboxylate; 1-Methyl-1H-pyrazole-4-carboxylic acid methyl ester; 1-Methylpyrazole-4-carboxylic Acid Methyl Ester; 4-Methoxycarbonyl-1-methylpyrazole; NSC 405124; 1-Methyl-4-(methoxycarbonyl)pyrazole; 1-Methyl-1H-4-pyrazolecarboxylic acid, methyl ester
EINECS	Contact for details

Quality Control

Our production of 1H-Pyrazole-4-Carboxylic Acid, 1-Methyl-, Methyl Ester adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We operate under a cGMP-compliant quality system to guarantee reliability for your critical R&D and scale-up processes.

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). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.