Description

4,5-Dihydro-2-(Ethoxycarbonyl)Naptho(1,2-B)Thiopene is a high-purity, specialized organic intermediate of significant importance in advanced chemical synthesis. This compound matters for its role as a key building block in the development of complex heterocyclic systems, particularly in pharmaceutical and materials science research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those with fused polycyclic structures for therapeutic applications.
• Agrochemical Synthesis: Used in the research and development of new active ingredients for crop protection products, leveraging its unique heterocyclic scaffold.
• Organic Electronic Materials: Acts as a building block for π-conjugated systems in the development of organic semiconductors, OLEDs, or photovoltaic materials due to its fused thiophene-naphthalene core.
• Dye and Pigment Chemistry: Employed in the synthesis of advanced colorants and functional dyes where the napthothiophene moiety provides specific chromophoric properties.
• Ligand and Catalyst Development: Utilized as a starting material for creating novel chelating ligands in coordination chemistry and catalysis research.
• Academic and Industrial R&D: A valuable reagent for methodological studies in organic synthesis, including cyclization and cross-coupling reactions.

Basic Information

Product Name	4,5-Dihydro-2-(Ethoxycarbonyl)Naptho(1,2-B)Thiopene
CAS No.	35813-68-4
Molecular Formula	C₁₆H₁₄O₂S
Molecular Weight	270.35 g/mol
Synonyms	2-(Ethoxycarbonyl)-4,5-dihydronaphtho[1,2-b]thiophene; Ethyl 4,5-dihydronaphtho[1,2-b]thiophene-2-carboxylate; 4,5-Dihydronaphtho[1,2-b]thiophene-2-carboxylic acid ethyl ester; Naphtho[1,2-b]thiophene-2-carboxylic acid, 4,5-dihydro-, ethyl ester; 35813-68-4; Ethyl 4,5-dihydrobenzo[g]thiophene-2-carboxylate (related fused system)
EINECS	Contact for details

Quality Control

Our 4,5-Dihydro-2-(Ethoxycarbonyl)Naptho(1,2-B)Thiopene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity for research and development applications. Each lot undergoes comprehensive analytical characterization, including HPLC for purity and identity confirmation via spectroscopic methods. Certificates of Analysis (COA) detailing all relevant specifications are provided and available upon request 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 room temperature (typically 15-25°C). Keep away from strong alkalis and incompatible organic solvents. For long-term storage, consider storing under an inert atmosphere to maximize stability.

Specification

Item	Specification
Appearance	White to off-white 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.