6-Methyl-2H-1,4-benzoxazin-3(4H)-one
6-Methyl-2H-1,4-benzoxazin-3(4H)-one (CAS 39522-26-4), with a molecular weight of 163.17 g/mol, is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of benzoxazine derivatives and other complex heterocyclic structures. Its defined chemical structure makes it a useful intermediate for researchers and chemists developing new materials or investigating novel molecular pathways. This compound is supplied by TSS for research and development purposes.
- Synonyms
- C9H9NO2

Chemical Synthesis Intermediate
This compound is utilised as a key intermediate in the synthesis of more complex organic molecules. Its benzoxazine core offers a versatile scaffold for further chemical modifications.
Heterocyclic Building Block
As a functionalised heterocyclic system, it is employed in the construction of diverse molecular architectures. Researchers leverage its structure for developing novel compounds with potential applications.
Research and Development
Primarily used in laboratory settings, 6-Methyl-2H-1,4-benzoxazin-3(4H)-one supports R&D efforts in organic chemistry, medicinal chemistry, and materials science.
| Molecular weight | 163.17 |
|---|---|
| Empirical formula | C9H9NO2 |
| Assay | 98% |
| Melting point | 207-209 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 6-Methyl-2H-1,4-benzoxazin-3(4H)-one used for?
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6-Methyl-2H-1,4-benzoxazin-3(4H)-one is used as a chemical intermediate and a building block in organic synthesis, particularly for creating complex heterocyclic compounds within research and development settings.
What are the CAS number and formula for 6-Methyl-2H-1,4-benzoxazin-3(4H)-one?
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The CAS number is 39522-26-4, and the empirical formula is C9H9NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 6-Methyl-2H-1,4-benzoxazin-3(4H)-one with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 6-Methyl-2H-1,4-benzoxazin-3(4H)-one be handled safely?
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This compound may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Use appropriate personal protective equipment, including a dust mask (N95 recommended), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes and seek medical advice.
Is this chemical a controlled substance?
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The provided data does not indicate that 6-Methyl-2H-1,4-benzoxazin-3(4H)-one is a controlled substance.
How is 6-Methyl-2H-1,4-benzoxazin-3(4H)-one shipped and exported?
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Tech Serve Solutions, as a specialist global supplier and exporter, handles the packing, shipping, and export of this chemical, adhering to all necessary regulations for international distribution.
How can I request a sample or quote for 6-Methyl-2H-1,4-benzoxazin-3(4H)-one?
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Please contact our sales department via the website or by phone to request a sample or obtain a quotation for 6-Methyl-2H-1,4-benzoxazin-3(4H)-one.
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