Description

4H-Thieno[2,3-b]thiopyran-2-sulfonamide, 4-(ethylamino)-5,6-dihydro-6-methyl-, 7,7-dioxide, trans- is a high-purity, specialized heterocyclic sulfonamide derivative of significant interest in advanced organic synthesis. This compound matters as a critical pharmacological intermediate and a versatile building block for developing novel chemical entities with targeted biological activity. Research and development teams in the pharmaceutical, agrochemical, and material science industries require this precise chemical for creating new drug candidates, crop protection agents, and functional organic materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel carbonic anhydrase inhibitors and other sulfonamide-based therapeutic agents.
• Agrochemical Research: Used in the development of next-generation herbicides and fungicides, leveraging its unique heterocyclic structure for targeted activity.
• Chemical Biology Probe: Acts as a specialized scaffold or ligand in the design of molecular probes for studying enzyme function and biological pathways.
• Organic Electronic Materials: Investigated as a potential building block for conjugated systems in organic semiconductors due to the fused thieno-thiopyran core.
• Academic & Industrial R&D: Employed by research chemists for method development, structure-activity relationship (SAR) studies, and library synthesis for high-throughput screening.
• Custom Synthesis: A starting material for contract research organizations (CROs) and fine chemical manufacturers producing bespoke compounds for client projects.

Basic Information

Product Name	4H-Thieno[2,3-b]thiopyran-2-sulfonamide, 4-(ethylamino)-5,6-dihydro-6-methyl-, 7,7-dioxide, trans-
CAS No.	120279-89-2
Molecular Formula	C10H16N2O4S3
Molecular Weight	324.43 g/mol
Synonyms	trans-4-(Ethylamino)-5,6-dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide; 4-(Ethylamino)-5,6-dihydro-6-methyl-trans-4H-thieno[2,3-b]thiopyran-2-sulfonamide S,S-dioxide; 120279-89-2; Thienothiopyran sulfonamide derivative; trans-Dihydro-6-methyl-4-(ethylamino)-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide.
EINECS	Contact for details

Quality Control

Every batch of our 4H-Thieno[2,3-b]thiopyran-2-sulfonamide derivative is manufactured and tested under a strict quality management system. We guarantee high chemical purity and lot-to-lot consistency through comprehensive analytical protocols including HPLC, NMR, and mass spectrometry. A detailed Certificate of Analysis (COA) specifying identity, purity, and impurity profiles is provided with each shipment to ensure it meets your precise research or production specifications.

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). Keep the container tightly sealed in a dry environment to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Any single impurity ≤ 1.0%; Total impurities ≤ 3.0%
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.