Description

2-Methyl-6-Phenyl-4H-Thieno[2,3-D][1,3]Oxazin-4-One is a high-value heterocyclic organic compound that serves as a critical advanced intermediate in modern chemical synthesis. Its unique fused-ring structure containing thiophene and oxazinone moieties makes it a versatile building block for developing novel active ingredients. This compound is primarily sought after by research and development teams in the pharmaceutical and agrochemical sectors for creating new molecules with targeted biological properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic scaffold.
• Material Science: Acts as a monomer or building block for specialty polymers and advanced organic electronic materials.
• Academic & Contract Research: Essential for medicinal chemistry programs and structure-activity relationship (SAR) studies in university and CRO laboratories.
• Dye & Pigment Synthesis: Serves as an intermediate for creating specialized chromophores and functional dyes.

Basic Information

Product Name	2-Methyl-6-Phenyl-4H-Thieno[2,3-D][1,3]Oxazin-4-One
CAS No.	370587-15-8
Molecular Formula	C₁₃H₉NO₂S
Molecular Weight	243.28 g/mol
Synonyms	2-Methyl-6-phenylthieno[2,3-d][1,3]oxazin-4-one; 2-Methyl-6-phenyl-4H-thieno[2,3-d][1,3]oxazin-4-one; Thieno[2,3-d][1,3]oxazin-4-one, 2-methyl-6-phenyl-; 370587-15-8; 4H-Thieno[2,3-d][1,3]oxazin-4-one, 2-methyl-6-phenyl-
EINECS	Contact for details

Quality Control

Every batch of 2-Methyl-6-Phenyl-4H-Thieno[2,3-D][1,3]Oxazin-4-One is manufactured under a strict quality management system and undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing key parameters such as assay and impurity profiles. Our quality commitment supports your R&D and scale-up processes with reliable material.

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 storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (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.