Description

7-Methyl-2-(3,4,5-Trimethoxyphenyl)-5,6,7,8-tetrahydro-4H-benzo[4,5]thieno[2,3-d][1,3]oxazin-4-one is a high-purity, complex heterocyclic compound with a defined molecular structure, serving as a critical advanced intermediate in modern synthetic chemistry. Its value lies in enabling the development of novel pharmacologically active molecules, particularly within medicinal chemistry research and development. This product is essential for pharmaceutical R&D teams, agrochemical innovators, and specialty chemical manufacturers seeking to build sophisticated molecular architectures for new active ingredients.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of potential new chemical entities (NCEs) for drug discovery programs, particularly for central nervous system (CNS) or oncological targets.
• Medicinal Chemistry Research: Used by research institutions and pharmaceutical companies to explore structure-activity relationships (SAR) and develop novel therapeutic candidates.
• Agrochemical Development: Serves as a precursor in the research and synthesis of new-generation crop protection agents and pesticides.
• Organic Synthesis Scaffold: Provides a versatile fused-ring system for chemists to create diverse libraries of complex heterocyclic compounds for screening.
• Reference Standard: Used as an analytical standard in quality control laboratories for method development and validation in API manufacturing.
• Biochemical Tool Compound: Potential utility in biochemical assays and as a probe for studying specific biological pathways in academic and industrial research.

Basic Information

Product Name	7-Methyl-2-(3,4,5-Trimethoxyphenyl)-5,6,7,8-tetrahydro-4H-benzo[4,5]thieno[2,3-d][1,3]oxazin-4-one
CAS No.	315683-37-5
Molecular Formula	C21H21NO5S
Molecular Weight	399.46 g/mol
Synonyms	7-Methyl-2-(3,4,5-trimethoxyphenyl)-4H,5H,6H,7H,8H-benzo[4,5]thieno[2,3-d][1,3]oxazin-4-one; Benzo[4,5]thieno[2,3-d][1,3]oxazin-4-one, 5,6,7,8-tetrahydro-7-methyl-2-(3,4,5-trimethoxyphenyl)-; 315683-37-5; 7-Methyl-2-(3,4,5-trimethoxyphenyl)-5,6,7,8-tetrahydro-4H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one (common misnomer); 4H-Benzo[4,5]thieno[2,3-d][1,3]oxazin-4-one, 5,6,7,8-tetrahydro-7-methyl-2-(3,4,5-trimethoxyphenyl)-
EINECS	Contact for details

Quality Control

Our production of 7-Methyl-2-(3,4,5-Trimethoxyphenyl)-5,6,7,8-tetrahydro-4H-benzo[4,5]thieno[2,3-d][1,3]oxazin-4-one adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for research and development applications. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We employ advanced analytical techniques including HPLC, GC-MS, and NMR to verify chemical identity and purity, providing our partners with the documentation and traceability required for critical R&D work.

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). Keep the container tightly sealed in a dry environment to minimize exposure to moisture. For long-term storage, consider inert gas purging.

Specification

Item	Specification
Appearance	White to off-white 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%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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