Description

1H-Pyrazole-3-Acetic Acid, 4-Methyl-, Methyl Ester is a high-purity organic chemical building block with the CAS number 942260-66-4. This compound serves as a critical intermediate in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily required by research and development chemists in the pharmaceutical and agrochemical industries for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for creating pyrazole-based heterocycles with potential biological activity.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where the pyrazole core contributes to efficacy and selectivity.
• Chemical Research & Development: Serves as a versatile building block in academic and industrial labs for exploring new chemical reactions and synthesizing specialized libraries of compounds.
• Material Science Precursor: Potential use in the synthesis of organic ligands for catalysts or functional materials requiring specific coordination properties.
• Custom Synthesis Projects: Supplied to contract research and manufacturing organizations (CROs/CMOs) for bespoke synthesis projects requiring high-purity intermediates.

Basic Information

Product Name	1H-Pyrazole-3-Acetic Acid, 4-Methyl-, Methyl Ester
CAS No.	942260-66-4
Molecular Formula	C7H10N2O2
Molecular Weight	154.17 g/mol
Synonyms	Methyl 4-Methyl-1H-pyrazole-3-acetate; 4-Methyl-1H-pyrazole-3-acetic acid methyl ester; 1H-Pyrazole-3-acetic acid, 4-methyl-, methyl ester; Methyl (4-methyl-1H-pyrazol-3-yl)acetate; 3-(Methoxycarbonylmethyl)-4-methylpyrazole; 4-Methylpyrazole-3-acetic acid methyl ester
EINECS	Contact for details

Quality Control

Our 1H-Pyrazole-3-Acetic Acid, 4-Methyl-, Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the stringent requirements for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Purity (HPLC, Area %)	≥ 99.0%
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.