Description

6-Methyl-2-(2-Thienyl)-4H-3,1-Benzoxazin-4-One is a high-value heterocyclic organic compound featuring a benzoxazinone core fused with a thiophene moiety. This unique molecular architecture makes it a critical advanced pharmaceutical intermediate (API) and a versatile building block in synthetic organic chemistry. It is primarily sought after by R&D and production teams in the pharmaceutical and agrochemical sectors for developing novel active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug molecules, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used as a core scaffold for developing new herbicides, fungicides, and insecticides with enhanced efficacy and selectivity.
• Material Science: Investigated as a monomer or additive for creating specialty polymers and organic electronic materials due to its conjugated structure.
• Dye & Pigment Synthesis: Acts as an intermediate in the production of specialized dyes and pigments, leveraging its fused aromatic system.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies in heterocyclic chemistry and medicinal chemistry programs.
• Custom Synthesis Building Block: Provided to fine chemical companies for the custom synthesis of proprietary compounds for various industrial applications.

Basic Information

Product Name	6-Methyl-2-(2-Thienyl)-4H-3,1-Benzoxazin-4-One
CAS No.	244205-65-0
Molecular Formula	C₁₃H₉NO₂S
Molecular Weight	243.28 g/mol
Synonyms	2-(Thiophen-2-yl)-6-methyl-4H-benzo[d][1,3]oxazin-4-one; 6-Methyl-2-(2-thienyl)-4H-3,1-benzoxazin-4-one; 2-(2-Thienyl)-6-methyl-4H-3,1-benzoxazin-4-one; 6-Methyl-2-thiophen-2-yl-1,3-benzoxazin-4-one; 244205-65-0; 6-Methyl-2-(2-thienyl)-4H-benzo[d][1,3]oxazin-4-one
EINECS	Contact for details

Quality Control

Our 6-Methyl-2-(2-Thienyl)-4H-3,1-Benzoxazin-4-One is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring GMP-grade intermediates for pharmaceutical development.

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 strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

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%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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