Description

4H-[1]-Benzopyrano[4 3-B]Thiophene-2-Ca& CAS NO 351003-40-2 is a high-purity, fused heterocyclic compound belonging to the benzopyranothiophene class, serving as a critical advanced intermediate in modern organic synthesis. Its unique molecular architecture makes it a valuable scaffold for developing novel materials and active pharmaceutical ingredients (APIs). This product is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create new molecules with targeted properties.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides due to its bioactive heterocyclic core.
• Material Science: Acts as a precursor for organic semiconductors, light-emitting diodes (OLEDs), and other functional organic electronic materials.
• Dye & Pigment Synthesis: Serves as a core structure for creating novel chromophores and fluorophores with specific optical properties.
• Academic & Contract Research: A valuable reagent for methodological studies in organic chemistry and for creating custom compound libraries.

Basic Information

Product Name	4H-[1]-Benzopyrano[4 3-B]Thiophene-2-Ca& CAS NO 351003-40-2
CAS No.	351003-40-2
Molecular Formula	C11H6OS
Molecular Weight	186.23 g/mol
Synonyms	4H-Benzopyrano[4,3-b]thiophene-2-carboxylic acid; 4H-[1]Benzopyrano[4,3-b]thiophene-2-carboxylic acid; 4H-1-Benzopyrano[4,3-b]thiophene-2-carboxylic acid; 351003-40-2; 4H-Benzopyrano[4,3-b]thiophene-2-carboxylate; 4H-[1]Benzopyrano[4,3-b]thiophene-2-carboxylate
EINECS	Contact for details

Quality Control

Our 4H-[1]-Benzopyrano[4 3-B]Thiophene-2-Ca& CAS NO 351003-40-2 is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

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