Description

2-Methyl-5-Phenyl-4H-Thieno[2,3-D][1,3]Oxazin-4-One is a high-value heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. Its unique fused-ring structure makes it an essential intermediate for developing novel active pharmaceutical ingredients (APIs) and functional materials. This compound is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for its role in creating complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Synthesis: Used as a precursor in the formulation of advanced pesticides and herbicides, contributing to novel modes of action.
• Material Science Research: Employed in the development of organic semiconductors, liquid crystals, and other functional organic materials due to its electron-rich thieno-oxazine core.
• Chemical Biology Probes: Serves as a scaffold for designing fluorescent tags, enzyme inhibitors, and other molecular probes for diagnostic and research applications.
• Academic & Industrial R&D: A valuable reagent for synthetic organic chemists exploring new heterocyclic chemistry and reaction methodologies.

Basic Information

Product Name	2-Methyl-5-Phenyl-4H-Thieno[2,3-D][1,3]Oxazin-4-One
CAS No.	13130-45-5
Molecular Formula	C₁₃H₉NO₂S
Molecular Weight	243.28 g/mol
Synonyms	2-Methyl-5-phenylthieno[2,3-d][1,3]oxazin-4-one; 5-Phenyl-2-methyl-4H-thieno[2,3-d][1,3]oxazin-4-one; 4H-Thieno[2,3-d][1,3]oxazin-4-one, 2-methyl-5-phenyl-; 13130-45-5; Thieno[2,3-d][1,3]oxazin-4-one, 2-methyl-5-phenyl-; 2-Methyl-5-phenyl-4H-thieno[2,3-d]pyrimidin-4-one (related structure); 5-Phenyl-2-methyl-thieno[2,3-d]pyrimidine-4-one
EINECS	Contact for details

Quality Control

Our production of 2-Methyl-5-Phenyl-4H-Thieno[2,3-D][1,3]Oxazin-4-One adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques including HPLC, GC-MS, and NMR for identity confirmation and impurity profiling. A comprehensive Certificate of Analysis (COA) detailing purity, related substances, and residual solvents is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.