Description

6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide is a high-purity, specialized heterocyclic sulfonamide building block of significant interest in advanced organic synthesis. Its unique fused thienothiopyran scaffold makes it a valuable intermediate for research and development in pharmaceutical chemistry and agrochemical discovery. This compound is primarily sought by R&D chemists and process development scientists working on novel active ingredients, particularly those targeting enzyme inhibition or requiring specific molecular recognition properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those exploring sulfonamide-based pharmacophores for therapeutic applications.
• Agrochemical Research: Serves as a core structure for developing new herbicides, fungicides, or insecticides, leveraging its heterocyclic system for bioactivity.
• Chemical Biology Probe Development: Used in the design and synthesis of molecular probes to study enzyme function and biological pathways, given its potential as a ligand or inhibitor scaffold.
• Material Science Research: Investigated as a monomer or additive for creating specialized polymers with unique electronic or optical properties derived from its sulfur-containing heterocycle.
• Academic & Industrial R&D: Employed in methodological studies and discovery chemistry within university laboratories and corporate R&D centers for exploring new chemical spaces.

Basic Information

Product Name	6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide
CAS No.	120279-88-1
Molecular Formula	C9H9NO3S3
Molecular Weight	291.33 g/mol
Synonyms	6-Methyl-4-oxo-4,5,6,7-tetrahydrothieno[2,3-b]thiopyran-2-sulfonamide; 4H-Thieno[2,3-b]thiopyran-2-sulfonamide, 5,6-dihydro-6-methyl-4-oxo-; Thieno[2,3-b]thiopyran-2-sulfonamide derivative; 6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide; 120279-88-1; Thienothiopyran sulfonamide; TTSA intermediate
EINECS	Contact for details

Quality Control

Our 6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR, MS), to ensure it meets exacting R&D and process chemistry standards. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation from atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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