Description

Thieno[3,2-B]Thiophene, 3-Methoxy- is a high-purity, specialized heterocyclic building block of significant interest in advanced organic synthesis. Its unique fused-ring structure makes it a valuable precursor for developing novel materials with tailored electronic and optical properties. This compound is primarily sought after by researchers and manufacturers in the pharmaceutical, agrochemical, and organic electronics sectors for creating innovative functional molecules.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for compounds targeting central nervous system (CNS) disorders.
• Organic Semiconductor Precursor: Used in the synthesis of novel π-conjugated molecules and polymers for applications in organic field-effect transistors (OFETs) and organic photovoltaics (OPVs).
• Agrochemical Research: Acts as a core structural motif in the design of new herbicides, fungicides, and insecticides with potentially novel modes of action.
• Material Science: Employed in the development of advanced organic light-emitting diodes (OLEDs) and electrochromic materials due to its electron-rich character.
• Ligand Synthesis: Utilized for constructing complex heterocyclic ligands in coordination chemistry and catalysis.
• Chemical Research: A versatile starting material for academic and industrial research into novel heterocyclic chemistry and ring-fused systems.

Basic Information

Product Name	Thieno[3,2-B]Thiophene, 3-Methoxy-
CAS No.	2378628-49-8
Molecular Formula	C7H6OS2
Molecular Weight	170.25 g/mol
Synonyms	3-Methoxythieno[3,2-b]thiophene; 3-Methoxy-thieno[3,2-b]thiophene; Thieno[3,2-b]thiophene, 3-methoxy-; 3-Methoxybenzo[4,5]thieno[3,2-b]thiophene (incorrect but common misnomer); 3-Methoxy-thienothiophene; Methoxy-substituted thienothiophene; TT-OMe derivative
EINECS	Contact for details

Quality Control

Our Thieno[3,2-B]Thiophene, 3-Methoxy- is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure high chemical purity and structural integrity. Certificates of Analysis (COA) with detailed chromatographic data are provided for traceability and to support your R&D and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants or an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms
Identification (NMR)	Conforms
Purity (HPLC)	≥ 97.0%
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.