6-Nitro-2H-1,4-benzoxazin-3(4H)-one
6-Nitro-2H-1,4-benzoxazin-3(4H)-one (CAS 81721-87-1) is a heterocyclic organic compound with the molecular formula C8H6N2O4 and a molecular weight of 194.14 g/mol. This nitro-substituted benzoxazinone derivative serves as a valuable building block in chemical synthesis. Its structure lends itself to further functionalisation, making it a key intermediate for researchers and chemists exploring novel molecular architectures and complex organic compounds.
- Synonyms
- C8H6N2O4

Organic Synthesis Intermediate
This compound is utilised as a key building block in the synthesis of more complex organic molecules. Its reactive sites allow for diverse chemical transformations, aiding in the development of novel compounds.
Heterocyclic Chemistry Research
As a substituted benzoxazine, it is employed in research focused on heterocyclic chemistry. Investigations may involve its incorporation into various ring systems or modification of its existing structure.
Pharmaceutical Intermediate Development
The molecule's structural features suggest potential applications as an intermediate in the development of pharmaceutical agents. Further research can explore its utility in creating biologically active compounds.
| Molecular weight | 194.14 |
|---|---|
| Linear formula | C8H6N2O4 |
| Assay | 97% |
| Melting point | 236-240 °C |

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-Nitro-2H-1,4-benzoxazin-3(4H)-one used for?
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6-Nitro-2H-1,4-benzoxazin-3(4H)-one is primarily used as a building block in organic synthesis and research within heterocyclic chemistry, potentially serving as an intermediate in pharmaceutical development.
What is the CAS number and molecular formula?
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The CAS number for 6-Nitro-2H-1,4-benzoxazin-3(4H)-one is 81721-87-1, and its molecular formula is C8H6N2O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 6-Nitro-2H-1,4-benzoxazin-3(4H)-one with an assay of 97%. TSS does not represent this compound as USP, BP, or EP grade.
How should 6-Nitro-2H-1,4-benzoxazin-3(4H)-one be handled?
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This compound is a Warning substance (GHS07) and may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Use a dust mask type N95 (US), safety eyeshields, and gloves. Avoid breathing dust. Ensure adequate ventilation. In case of eye contact, rinse cautiously with water for several minutes and seek medical advice.
Is this product suitable for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 6-Nitro-2H-1,4-benzoxazin-3(4H)-one.
How can I request a sample or quote?
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To request a sample or obtain a quotation for 6-Nitro-2H-1,4-benzoxazin-3(4H)-one, please contact our sales department via the website or email.
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