Description

5,6,7,8-Tetrahydro-2-Methyl-4H-[1]Benzothieno[2,3-D][1,3]Oxazin-4-One is a high-purity heterocyclic organic compound that serves as a critical advanced intermediate in pharmaceutical synthesis. Its complex fused-ring structure makes it a valuable building block for developing novel active pharmaceutical ingredients (APIs) with targeted therapeutic effects. This compound is primarily required by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for process development and scale-up.

Application

• Pharmaceutical Intermediate: A key synthon in the research and production of novel drug candidates, particularly in central nervous system (CNS) and anti-inflammatory therapeutic areas.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, leveraging its benzothieno-oxazinone scaffold.
• Organic Light-Emitting Diode (OLED) Materials Research: Investigated as a potential electron-transport or host material due to its rigid, conjugated structure.
• Chemical Research & Development: Serves as a versatile scaffold for medicinal chemistry and materials science exploration.
• Academic & Institutional Research: Utilized in universities and R&D labs for studying heterocyclic chemistry and reaction mechanisms.

Basic Information

Product Name	5,6,7,8-Tetrahydro-2-Methyl-4H-[1]Benzothieno[2,3-D][1,3]Oxazin-4-One
CAS No.	13130-47-7
Molecular Formula	C12H11NO2S
Molecular Weight	233.29 g/mol
Synonyms	2-Methyl-4-oxo-4,5,6,7-tetrahydro-1-benzothieno[2,3-d][1,3]oxazine; 2-Methyl-5,6,7,8-tetrahydro-4H-[1]benzothieno[2,3-d][1,3]oxazin-4-one; Tetrahydro-2-methylbenzothienooxazinone; Benzothieno[2,3-d][1,3]oxazin-4-one, 5,6,7,8-tetrahydro-2-methyl-; 13130-47-7; NSC 163031
EINECS	Contact for details

Quality Control

Our 5,6,7,8-Tetrahydro-2-Methyl-4H-[1]Benzothieno[2,3-D][1,3]Oxazin-4-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical R&D. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory documentation.

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 such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.