Description

Ethyl 5-Methyl-3-(Methylthio)-4,4-Dioxo-4,5-Dihydro-4Lambda6-Benzo[C]Thieno[3,4-E][1,2]Thiazine-1-Carboxylate is a high-purity, complex heterocyclic compound featuring a fused benzothienothiazine core with a sulfone and ester functional group. This specialized structure makes it a valuable advanced pharmaceutical intermediate and a key building block for medicinal chemistry research. It is primarily sought by R&D and process development teams in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Research: Serves as a sophisticated scaffold for developing new-generation herbicides, fungicides, or insecticides with unique modes of action.
• Material Science Chemistry: Used in research for creating organic electronic materials or specialty polymers due to its complex, electron-rich aromatic system.
• Medicinal Chemistry & SAR Studies: Employed as a core structure for structure-activity relationship (SAR) studies to optimize biological activity and pharmacokinetic properties.
• Contract Research & Manufacturing (CRO/CMO): Supplied to organizations specializing in custom synthesis and scale-up of complex molecules for client projects.
• Academic Research: Utilized in university and institutional labs for fundamental studies in heterocyclic chemistry and new synthetic methodology development.

Basic Information

Product Name	Ethyl 5-Methyl-3-(Methylthio)-4,4-Dioxo-4,5-Dihydro-4Lambda6-Benzo[C]Thieno[3,4-E][1,2]Thiazine-1-Carboxylate
CAS No.	175276-42-3
Molecular Formula	C15H13NO4S3
Molecular Weight	367.42 g/mol
Synonyms	Ethyl 5-methyl-3-(methylthio)-4,4-dioxo-4,5-dihydro-4λ⁶-benzo[c]thieno[3,4-e][1,2]thiazine-1-carboxylate; 1-Carbethoxy-5-methyl-3-methylthio-4,4-dioxo-4,5-dihydro-4λ⁶-benzo[c]thieno[3,4-e][1,2]thiazine; Benzo[c]thieno[3,4-e][1,2]thiazine-1-carboxylic acid, 4,5-dihydro-5-methyl-3-(methylthio)-4,4-dioxo-, ethyl ester; CAS 175276-42-3
EINECS	Contact for details

Quality Control

Every batch of Ethyl 5-Methyl-3-(Methylthio)-4,4-Dioxo-4,5-Dihydro-4Lambda6-Benzo[C]Thieno[3,4-E][1,2]Thiazine-1-Carboxylate is manufactured and analyzed under strict quality management systems. We provide comprehensive Certificates of Analysis (COA) that detail purity, identity, and impurity profiles to ensure the material meets your precise research and development specifications. Our quality commitment supports compliance with cGMP and ISO standards for pharmaceutical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). The compound may be light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Any single impurity ≤ 0.5%, Total impurities ≤ 1.5%
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.