Description

(4-Chloro-5-Methyl-3-Nitro-Pyrazol-1-Yl)-Acetic Acid Ethyl Ester is a high-purity, functionalized pyrazole derivative serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in its versatile chemical structure, which incorporates reactive sites for further functionalization, making it indispensable for constructing complex heterocyclic frameworks. This compound is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides with tailored modes of action.
• Fine Chemical Production: Serves as a precursor for specialized dyes, pigments, and other performance chemicals requiring a pyrazole core.
• Material Science Research: Investigated as a monomer or additive for creating polymers with specific thermal or optical properties.
• Academic & Contract Research: Essential for methodological development and exploratory synthesis in university and CRO laboratories.

Basic Information

Product Name	(4-Chloro-5-Methyl-3-Nitro-Pyrazol-1-Yl)-Acetic Acid Ethyl Ester
CAS No.	957298-64-5
Molecular Formula	C8H10ClN3O4
Molecular Weight	247.64 g/mol
Synonyms	Ethyl (4-chloro-5-methyl-3-nitro-1H-pyrazol-1-yl)acetate; 1H-Pyrazole-1-acetic acid, 4-chloro-5-methyl-3-nitro-, ethyl ester; Ethyl 2-(4-chloro-5-methyl-3-nitropyrazol-1-yl)acetate; 4-Chloro-5-methyl-3-nitropyrazole-1-acetic acid ethyl ester; 957298-64-5; (4-Chloro-5-methyl-3-nitro-1H-pyrazol-1-yl)acetic acid ethyl ester
EINECS	Contact for details

Quality Control

Our (4-Chloro-5-Methyl-3-Nitro-Pyrazol-1-Yl)-Acetic Acid Ethyl Ester is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

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). Keep away from heat, sparks, and open flame. This material is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.