6-Acetyl-2H-1,4-benzoxazin-3(4H)-one
6-Acetyl-2H-1,4-benzoxazin-3(4H)-one (CAS: 26518-71-8) is a heterocyclic organic compound with the molecular formula C10H9NO3 and a molecular weight of 191.18 g/mol. This benzoxazine derivative serves as a valuable building block in organic synthesis. It is primarily utilised in chemical research and development, offering a versatile scaffold for the construction of more complex molecules.
- Synonyms
- C10H9NO3

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of diverse organic molecules. Its structure provides a reactive framework for various chemical transformations.
Heterocyclic Chemistry Research
Employed in research settings for the exploration and development of novel heterocyclic compounds. Its benzoxazine core is of interest for medicinal chemistry studies.
Building Block for Complex Molecules
Serves as a foundational component in multi-step synthetic pathways. Enables the construction of intricate molecular architectures for advanced applications.
| Molecular weight | 191.18 |
|---|---|
| Empirical formula | C10H9NO3 |
| Assay | 98% |
| Melting point | 193-195 °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-Acetyl-2H-1,4-benzoxazin-3(4H)-one used for?
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6-Acetyl-2H-1,4-benzoxazin-3(4H)-one is primarily used as an intermediate in organic synthesis and as a building block for creating more complex heterocyclic compounds in research and development settings.
What are the CAS number and molecular formula for this compound?
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The CAS number is 26518-71-8, and its molecular formula is C10H9NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 6-Acetyl-2H-1,4-benzoxazin-3(4H)-one with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 6-Acetyl-2H-1,4-benzoxazin-3(4H)-one be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 recommended), eyeshields, and gloves. Avoid breathing dust. In case of contact with eyes, rinse cautiously with water for several minutes and seek medical advice. Ensure good ventilation.
Is 6-Acetyl-2H-1,4-benzoxazin-3(4H)-one a controlled substance?
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The provided data does not indicate that 6-Acetyl-2H-1,4-benzoxazin-3(4H)-one is a controlled substance.
How is this chemical packed and shipped?
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Tech Serve Solutions securely packs and exports fine chemicals globally, adhering to all necessary shipping regulations for hazardous materials.
How can I request a sample or quote?
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To request a sample or a quote for 6-Acetyl-2H-1,4-benzoxazin-3(4H)-one, please contact our sales team through the TSS website or by phone.
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