Description

2H-Pyrido[2,3-E]-1,2,4-Thiadiazine, 3,6-Dimethyl-, 1,1-Dioxide (9Ci) is a high-purity, heterocyclic organic compound with the CAS registry number 646053-57-8. This specialized chemical is valued for its unique molecular scaffold, which serves as a critical building block in advanced pharmaceutical and agrochemical research and development. It is primarily sought by R&D chemists and process development scientists in the life sciences sector for the synthesis of novel active ingredients.

Application

This compound is a key intermediate in the synthesis of complex molecules. Its primary applications include:

• Pharmaceutical Intermediate: Serves as a core scaffold for the development of new drug candidates, particularly in central nervous system (CNS) and metabolic disorder research.
• Agrochemical Research: Used in the synthesis of novel herbicides and pesticides, leveraging its heterocyclic structure for biological activity.
• Chemical Biology: Employed as a probe or building block in the study of enzyme mechanisms and protein-ligand interactions.
• Material Science: Investigated as a precursor for specialty polymers and organic electronic materials due to its fused ring system.
• Contract Research & Manufacturing (CRO/CMO): Supplied to organizations engaged in custom synthesis and process scale-up for client projects.

Basic Information

Product Name	2H-Pyrido[2,3-E]-1,2,4-Thiadiazine, 3,6-Dimethyl-, 1,1-Dioxide (9Ci)
CAS No.	646053-57-8
Molecular Formula	C8H9N3O2S
Molecular Weight	211.24 g/mol
Synonyms	3,6-Dimethyl-2H-pyrido[2,3-e][1,2,4]thiadiazine 1,1-Dioxide; 3,6-Dimethyl-1,1-dioxo-1,4-dihydro-2H-pyrido[2,3-e][1,2,4]thiadiazine; 646053-57-8; 2H-Pyrido[2,3-e]-1,2,4-thiadiazine, 3,6-dimethyl-, 1,1-dioxide; 3,6-Dimethyl-1,1-dioxo-1,2-dihydro-2H-pyrido[2,3-e][1,2,4]thiadiazine
EINECS	Contact for details

Quality Control

Our 2H-Pyrido[2,3-E]-1,2,4-Thiadiazine, 3,6-Dimethyl-, 1,1-Dioxide (9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) with detailed chromatographic data are provided for full traceability and quality assurance.

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 protect this moisture-sensitive material.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.