Description

Naphtho[2,3-B]Thiophene,4,9-D is a high-purity fused heterocyclic compound, serving as a critical advanced intermediate in organic synthesis. Its unique polycyclic aromatic structure makes it a valuable building block for the development of novel functional materials and active pharmaceutical ingredients. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science sectors seeking to innovate with complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting specific biological pathways where fused thiophene structures are active.
• Organic Electronic Materials: Serves as a core building block for the development of organic semiconductors, charge-transport materials, and non-linear optical (NLO) materials due to its extended π-conjugated system.
• Agrochemical Research: Used in the research and development of new-generation pesticides and herbicides, where its heterocyclic framework can contribute to unique modes of action.
• Dye & Pigment Synthesis: Acts as an intermediate in the creation of specialized dyes and pigments, imparting specific colorfastness and light-absorption properties.
• Ligand & Catalyst Development: Employed in organometallic chemistry for the synthesis of novel ligands and catalysts used in cross-coupling and other catalytic reactions.
• Academic & Industrial R&D: A fundamental reagent for synthetic organic chemists in both academic institutions and corporate R&D laboratories exploring new chemical entities.

Basic Information

Product Name	Naphtho[2,3-B]Thiophene,4,9-D
CAS No.	16587-34-1
Molecular Formula	C14H8S
Molecular Weight	208.28 g/mol
Synonyms	4,9-Dihydronaphtho[2,3-b]thiophene; Naphtho[2,3-b]thiophene-4,9-dione (reduced form); Benzo[g]thianaphthene-4,9-dione derivative; 4,9-Dihydrobenzo[g]thianaphthene; Naphthothiophenedione (reduced); Naphthodithiophene precursor; Aromatic thiophene fused system
EINECS	Contact for details

Quality Control

Our Naphtho[2,3-B]Thiophene,4,9-D is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials and sources of ignition.

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.