Description

8H-Thiopyrano[3,2-g]benzothiazole (8Ci) is a specialized heterocyclic organic compound with the CAS number 13394-21-3. This chemical is valued as a key synthetic intermediate and building block in advanced organic synthesis and materials science research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those with fused heterocyclic scaffolds for therapeutic applications.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its unique benzothiazole-thiopyran structure.
• Organic Electronic Materials: Investigated as a potential building block for organic semiconductors, charge-transport materials, or light-emitting materials due to its conjugated system.
• Dye and Pigment Synthesis: Acts as an intermediate in the production of specialized dyes, pigments, and fluorescent markers.
• Chemical Research & Development: Employed as a versatile synthon in academic and industrial laboratories for methodological studies and the creation of novel chemical libraries.
• Ligand and Catalyst Development: Explored for the preparation of novel ligands in coordination chemistry and catalysis.

Basic Information

Product Name	8H-Thiopyrano[3,2-g]benzothiazole (8Ci)
CAS No.	13394-21-3
Molecular Formula	C11H7NS2
Molecular Weight	217.31 g/mol
Synonyms	8H-Thiopyrano[3,2-g]benzothiazole; 8H-Thiopyrano[3,2-g]-1,3-benzothiazole; 8H-Thiopyrano[3,2-g]benzothiazol; 8H-Thiopyrano[3,2-g]benzothiazole, 8Ci; 8H-Thiopyrano[3,2-g]benzothiazole (8Ci); Thiopyrano[3,2-g]benzothiazole; 13394-21-3
EINECS	Contact for details

Quality Control

Our 8H-Thiopyrano[3,2-g]benzothiazole (8Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical characterization to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay (HPLC), related substances, and physical properties are provided and available upon request 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 room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow powder/crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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