Description

Methyl 4-Methyl-3-Oxo-3,4-Dihydro-2H-1,4-Benzoxazine-7-Carboxylate CAS NO 201294-27-1 is a high-purity benzoxazine derivative, a key heterocyclic building block in advanced organic synthesis. Its value lies in its versatile molecular scaffold, which is essential for constructing complex pharmacologically active molecules. This compound is primarily needed by research institutions and pharmaceutical companies engaged in the development of new chemical entities and active pharmaceutical ingredients (APIs).

Application

This benzoxazine derivative serves as a critical intermediate in various high-value chemical syntheses. Its primary applications include:

• Pharmaceutical Intermediate: A key building block for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and anti-inflammatory research.
• Agrochemical Research: Used in the development of new herbicides and fungicides, leveraging its heterocyclic structure for bioactivity.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a precursor for electron-transport or host materials in advanced display technologies.
• Dye and Pigment Synthesis: Acts as an intermediate for creating specialized heterocyclic dyes with specific light-absorption properties.
• Academic & R&D: Employed in methodological studies and as a model compound for heterocyclic chemistry in university and industrial laboratories.
• Custom Synthesis: A starting point for contract research organizations (CROs) and CDMOs producing bespoke compounds for client projects.

Basic Information

Product Name	Methyl 4-Methyl-3-Oxo-3,4-Dihydro-2H-1,4-Benzoxazine-7-Carboxylate
CAS No.	201294-27-1
Molecular Formula	C11H11NO4
Molecular Weight	221.21 g/mol
Synonyms	Methyl 4-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-7-carboxylate; 7-(Methoxycarbonyl)-4-methyl-2H-1,4-benzoxazin-3(4H)-one; 4-Methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-7-carboxylic acid methyl ester; Methyl 4-methyl-3-oxo-4H-1,4-benzoxazine-7-carboxylate; CAS 201294-27-1; 1,4-Benzoxazine-7-carboxylic acid, 3,4-dihydro-4-methyl-3-oxo-, methyl ester
EINECS	Contact for details

Quality Control

Our Methyl 4-Methyl-3-Oxo-3,4-Dihydro-2H-1,4-Benzoxazine-7-Carboxylate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your regulatory and R&D 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 (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which may affect stability and performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%
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.