Description

5-Phenyl-2-(3,4,5-Trimethoxyphenyl)-4H-Thieno[2,3-D][1,3]Oxazin-4-One is a high-purity, complex heterocyclic compound designed for advanced research and development. This specialized chemical serves as a critical building block or intermediate in the synthesis of novel active pharmaceutical ingredients (APIs) and other fine chemicals. It is primarily utilized by pharmaceutical R&D laboratories, biotechnology firms, and specialty chemical manufacturers focused on developing new therapeutic agents and high-value materials.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the research and development of new drug candidates, particularly in medicinal chemistry programs.
• Organic Synthesis Building Block: Used for constructing complex molecular architectures in academic and industrial organic chemistry research.
• Biochemical Research: Potential application as a tool compound or probe in biochemical and pharmacological studies to investigate biological pathways.
• Material Science Research: Exploration as a monomer or precursor for advanced organic materials, such as specialty polymers or liquid crystals.
• Agrochemical Development: Investigated as an intermediate in the synthesis of novel crop protection agents and pesticides.

Basic Information

Product Name	5-Phenyl-2-(3,4,5-Trimethoxyphenyl)-4H-Thieno[2,3-D][1,3]Oxazin-4-One
CAS No.	380644-65-5
Molecular Formula	C27H21NO5S
Molecular Weight	471.53 g/mol
Synonyms	4H-Thieno[2,3-d][1,3]oxazin-4-one, 5-phenyl-2-(3,4,5-trimethoxyphenyl)-; 5-Phenyl-2-(3,4,5-trimethoxyphenyl)thieno[2,3-d][1,3]oxazin-4-one; Thieno[2,3-d][1,3]oxazin-4-one derivative; 380644-65-5; 5-Phenyl-2-(3,4,5-trimethoxyphenyl)-4H-thieno[2,3-d]pyrimidin-4-one (common misnomer); TMOP-Thieno-oxazinone; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 5-Phenyl-2-(3,4,5-Trimethoxyphenyl)-4H-Thieno[2,3-D][1,3]Oxazin-4-One is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research applications. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry for identity and purity confirmation. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound is light-sensitive (store away from light) and should be handled with appropriate precautions for chemicals soluble in strong acid/organic solvent. Keep away from heat, sparks, and open flame.

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)	≥ 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.