Description

Ethyl 1-Methyl-3-Thien-2-Yl-1H-Pyrazole-5-Carboxylate is a high-purity, heterocyclic organic compound serving as a critical advanced intermediate in modern chemical synthesis. Its value lies in its unique pyrazole-thiophene hybrid structure, which provides a versatile scaffold for constructing complex molecules with targeted biological or material properties. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, particularly for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the research and synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and metabolic diseases.
• Agrochemical Synthesis: Used in the development of next-generation pesticides, herbicides, and fungicides, leveraging its heterocyclic core for enhanced bioactivity.
• Material Science Research: Serves as a precursor for organic electronic materials, such as organic light-emitting diodes (OLEDs) and semiconductors, due to its conjugated thiophene moiety.
• Chemical Biology & Proteomics: Employed as a specialty reagent or a core structure for designing chemical probes and enzyme inhibitors in biochemical research.
• Custom Synthesis & Contract Manufacturing: A vital starting material for custom synthesis projects and contract research organizations (CROs) requiring high-purity, complex intermediates.

Basic Information

Product Name	Ethyl 1-Methyl-3-Thien-2-Yl-1H-Pyrazole-5-Carboxylate
CAS No.	868755-61-7
Molecular Formula	C12H12N2O2S
Molecular Weight	248.30 g/mol
Synonyms	Ethyl 1-methyl-3-(thiophen-2-yl)-1H-pyrazole-5-carboxylate; 1-Methyl-3-(2-thienyl)-1H-pyrazole-5-carboxylic acid ethyl ester; 5-Carbethoxy-1-methyl-3-(2-thienyl)pyrazole; 1H-Pyrazole-5-carboxylic acid, 1-methyl-3-(2-thienyl)-, ethyl ester; Ethyl 1-methyl-3-(2-thienyl)-1H-pyrazole-5-carboxylate; 868755-61-7; 1-Methyl-3-thiophen-2-yl-1H-pyrazole-5-carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our Ethyl 1-Methyl-3-Thien-2-Yl-1H-Pyrazole-5-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications and test results. Our quality commitment ensures the material meets the stringent requirements for research and cGMP-grade synthesis applications.

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). The compound should be kept under an inert atmosphere for long-term storage to maintain stability. Keep away from heat, sparks, and open flame.

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%
Water Content (KF)	≤ 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.