Description

5-Methyl-2H-1,4-Benzoxazin-3(4H)-One is a high-purity organic compound, identified by CAS NO 31366-49-1, that serves as a versatile and critical synthetic intermediate in advanced chemical manufacturing. Its value lies in its unique benzoxazinone core structure, which is essential for constructing complex molecules with specific biological or material properties. This product is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing new active ingredients and functional materials.

Application

5-Methyl-2H-1,4-Benzoxazin-3(4H)-One is a key building block in sophisticated organic synthesis. Its primary applications include:

• Pharmaceutical Intermediate: Used in the research and development of novel drug candidates, particularly those targeting neurological or inflammatory pathways.
• Agrochemical Synthesis: Serves as a precursor for developing new herbicides, fungicides, or plant growth regulators.
• Material Science Research: Employed in the synthesis of organic ligands, dyes, or photoactive compounds for advanced materials.
• Chemical Research: Acts as a standard or starting material in academic and industrial laboratories for methodological studies and heterocyclic chemistry.

Basic Information

Product Name	5-Methyl-2H-1,4-Benzoxazin-3(4H)-One
CAS No.	31366-49-1
Molecular Formula	C9H9NO2
Molecular Weight	163.17 g/mol
Synonyms	5-Methyl-3,4-dihydro-2H-1,4-benzoxazin-3-one; 5-Methyl-2H-1,4-benzoxazin-3(4H)-one; 3,4-Dihydro-5-methyl-2H-1,4-benzoxazin-3-one; 5-Methyl-3,4-dihydro-1,4-benzoxazin-3-one; 5-Methyl-1,4-benzoxazin-3(4H)-one; 5-Methyl-2H-benzo[b][1,4]oxazin-3(4H)-one
EINECS	Contact for details

Quality Control

Our 5-Methyl-2H-1,4-Benzoxazin-3(4H)-One is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques, including HPLC, GC, and NMR, to verify identity and quantify impurities. Certificates of Analysis (COA) detailing all relevant specifications are provided with each shipment and are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 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
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.