Description

Methyl 4-Hydroxy-2-Methyl-2H-Thieno[2,3-E][1,2]Thiazine-3-Carboxylate 1,1-Dioxide is a high-purity, advanced pharmaceutical intermediate characterized by its complex heterocyclic structure. This compound is of significant value in the research and development of novel therapeutic agents, particularly due to its role as a key synthetic precursor. It is primarily required by pharmaceutical R&D laboratories and fine chemical manufacturers engaged in the synthesis of new chemical entities (NCEs). Its precise structure makes it a critical building block for medicinal chemistry programs targeting specific biological pathways.

Application

This specialized intermediate serves as a crucial component in several advanced chemical synthesis processes. Its primary and inferred applications include:

• Pharmaceutical Intermediate: Serving as a key building block in the synthesis of novel drug candidates, particularly in medicinal chemistry research.
• Active Pharmaceutical Ingredient (API) Development: Used in the research and scale-up phases for developing new APIs with potential therapeutic activity.
• Biochemical Research: Employed as a standard or reagent in studies investigating enzyme inhibition or receptor binding mechanisms.
• Fine Chemical Synthesis: Utilized in multi-step organic syntheses to construct complex molecular architectures for various high-value applications.
• Contract Research & Manufacturing (CRAM): Supplied to organizations providing custom synthesis and process development services for the life sciences industry.

Basic Information

Item	Details
Product Name	Methyl 4-Hydroxy-2-Methyl-2H-Thieno[2,3-E][1,2]Thiazine-3-Carboxylate 1,1-Dioxide
CAS No.	868393-66-2
Molecular Formula	C9H9NO5S2
Molecular Weight	275.30 g/mol
Synonyms	Methyl 4-hydroxy-2-methyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxylate 1,1-dioxide; 2H-Thieno[2,3-e][1,2]thiazine-3-carboxylic acid, 4-hydroxy-2-methyl-, methyl ester, 1,1-dioxide; 868393-66-2; Thienothiazine carboxylate derivative; Methyl 4-hydroxy-2-methyl-thienothiazine-3-carboxylate S,S-dioxide
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided with each shipment. We support development and commercial projects with quality standards suitable for cGMP manufacturing environments upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (typically 15-25°C). The container should be kept tightly sealed in a dry environment to minimize moisture uptake. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white 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.