Description

Methyl 1-(Thieno[3,2-B]Thiophen-2-Yl)Cyclopropane-1-Carboxylate CAS NO 1423707-57-6 is a high-purity, advanced pharmaceutical intermediate characterized by its unique fused thiophene and cyclopropane ester structure. This compound is of significant commercial value for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs). It is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical industries for the development of new therapeutic agents and crop protection solutions.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Serves as a core scaffold for developing new generation pesticides and herbicides with novel modes of action.
• Material Science: Used in the research and development of organic electronic materials, such as semiconductors for OLEDs and organic photovoltaics, due to its thiophene-based conjugated system.
• Chemical Synthesis: Acts as a versatile building block for further functionalization in medicinal and synthetic chemistry, enabling the exploration of new chemical space.
• Academic & R&D: Employed in university and corporate research laboratories for methodological studies and the discovery of new chemical entities.

Basic Information

Product Name	Methyl 1-(Thieno[3,2-B]Thiophen-2-Yl)Cyclopropane-1-Carboxylate
CAS No.	1423707-57-6
Molecular Formula	C11H10O2S2
Molecular Weight	238.33 g/mol
Synonyms	Methyl 1-(thieno[3,2-b]thiophen-2-yl)cyclopropanecarboxylate; 1-(Thieno[3,2-b]thiophen-2-yl)cyclopropanecarboxylic acid methyl ester; Cyclopropanecarboxylic acid, 1-(thieno[3,2-b]thien-2-yl)-, methyl ester; 1423707-57-6; Methyl 1-(thieno[3,2-b]thien-2-yl)cyclopropanecarboxylate
EINECS	Contact for details

Quality Control

Our production of Methyl 1-(Thieno[3,2-B]Thiophen-2-Yl)Cyclopropane-1-Carboxylate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and MS, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our quality system is designed to meet the rigorous standards required for pharmaceutical R&D and cGMP manufacturing.

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). The container should be kept tightly sealed in a dry environment to minimize exposure to moisture. Keep away from incompatible materials.

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%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%
Residual Solvents (GC)	Meets ICH Q3C guidelines
Water Content (KF)	≤ 0.5% w/w

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