Description

Methyl 4-Hydroxy-2H-Thieno[2,3-E]-1,2-Thiazine-3-Carboxylate-1,1-Dioxide is a high-purity, specialized heterocyclic sulfone derivative with significant synthetic utility. This compound serves as a critical pharmaceutical intermediate and a versatile building block in advanced organic synthesis. It is primarily required by R&D chemists and process development teams in the pharmaceutical, agrochemical, and fine chemical industries for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used as a building block for developing new active ingredients in crop protection and pest management formulations.
• Fine Chemical Synthesis: Employed in the preparation of complex molecules for material science, dyes, and specialty polymers.
• Academic & Contract Research: Serves as a valuable reagent for methodological studies and the exploration of new heterocyclic chemistry in university and CRO laboratories.
• Chemical Reference Standard: Used for analytical method development, validation, and quality control in manufacturing processes.

Basic Information

Product Name	Methyl 4-Hydroxy-2H-Thieno[2,3-E]-1,2-Thiazine-3-Carboxylate-1,1-Dioxide
CAS No.	98827-44-2
Molecular Formula	C8H7NO5S2
Molecular Weight	261.27 g/mol
Synonyms	Methyl 4-hydroxy-2H-thieno[2,3-e][1,2]thiazine-3-carboxylate 1,1-dioxide; 4-Hydroxy-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylic acid methyl ester 1,1-dioxide; Thienothiazine dioxide derivative; Methyl 4-hydroxy-1,1-dioxo-1λ⁶,2-thieno[2,3-e][1,2]thiazine-3-carboxylate
EINECS	Contact for details

Quality Control

Our production of Methyl 4-Hydroxy-2H-Thieno[2,3-E]-1,2-Thiazine-3-Carboxylate-1,1-Dioxide adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure high chemical purity and structural identity. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee traceability and batch-to-batch consistency for your critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider inert atmosphere conditions to maintain optimal 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)	≥ 98.0%
Water Content (KF)	≤ 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.