Description

Ethyl 1-(2-Chlorophenyl)-5-(4-Chlorophenyl)-4-Methyl-1H-Pyrazole-3-Carboxylate is a high-purity, multi-substituted pyrazole derivative of significant interest in advanced organic synthesis. This compound serves as a critical pharmaceutical intermediate and a versatile building block for the development of novel active ingredients. It is primarily needed by pharmaceutical R&D teams, agrochemical manufacturers, and specialty chemical companies engaged in heterocyclic chemistry.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) with potential therapeutic applications.
• Agrochemical Research: Building block for developing new generation pesticides, herbicides, and fungicides.
• Chemical Synthesis: Versatile scaffold for creating novel heterocyclic compounds in medicinal and material chemistry.
• R&D Reference Standard: High-purity material for analytical method development, quality control, and biological screening.
• Material Science: Potential intermediate for functional materials and organic electronic components.

Basic Information

Product Name	Ethyl 1-(2-Chlorophenyl)-5-(4-Chlorophenyl)-4-Methyl-1H-Pyrazole-3-Carboxylate
CAS No.	681178-99-4
Molecular Formula	C19H16Cl2N2O2
Molecular Weight	375.25 g/mol
Synonyms	Ethyl 1-(2-Chlorophenyl)-5-(4-chlorophenyl)-4-methyl-1H-pyrazole-3-carboxylate; 1-(2-Chlorophenyl)-5-(4-chlorophenyl)-4-methyl-1H-pyrazole-3-carboxylic acid ethyl ester; 1H-Pyrazole-3-carboxylic acid, 1-(2-chlorophenyl)-5-(4-chlorophenyl)-4-methyl-, ethyl ester; Ethyl 1-(2-chlorophenyl)-5-(p-chlorophenyl)-4-methylpyrazole-3-carboxylate; 681178-99-4; Pyrazole derivative 681178-99-4
EINECS	Contact for details

Quality Control

Our Ethyl 1-(2-Chlorophenyl)-5-(4-Chlorophenyl)-4-Methyl-1H-Pyrazole-3-Carboxylate is manufactured under strict quality management systems. All batches undergo rigorous analytical testing, including HPLC, NMR, and MS, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials. The container must be kept tightly sealed 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
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.