2,3-Dihydro-3-oxo-4H-1,4-benzoxazine-4-propionitrile
2,3-Dihydro-3-oxo-4H-1,4-benzoxazine-4-propionitrile (CAS 23866-12-8) is a heterocyclic compound with the molecular formula C11H10N2O2 and a molecular weight of 202.21 g/mol. This benzoxazine derivative serves as a valuable building block in chemical synthesis, particularly for creating complex organic molecules. Its precise structure and reactivity make it a key intermediate in various research and development applications within the chemical industry.
- IUPAC
- 3-[2H-1,4-Benzoazin-3(4H)-one-6-yl]propionitrile
- Synonyms
- 23866-12-83-[2H-1,4-Benzoazin-3(4H)-one-6-yl]propionitrile

Organic Synthesis Intermediate
Utilised as a fundamental building block in the synthesis of more complex organic molecules. Its heterocyclic benzoxazine core offers specific reactivity for advanced chemical constructions.
Pharmaceutical Research
Serves as a precursor or intermediate in the exploration and development of novel pharmaceutical compounds. Its structure may be incorporated into potential drug candidates for various therapeutic areas.
Materials Science
Can be employed in the development of novel materials where its unique chemical structure contributes to desired material properties. Applications may include polymers or specialised organic materials.
Chemical Research and Development
A versatile reagent for academic and industrial R&D laboratories exploring new chemical pathways and molecular architectures. Facilitates the investigation of heterocyclic chemistry.
| Molecular weight | 202.21 |
|---|---|
| Empirical formula | C11H10N2O2 |
| Assay | 98% |
| Melting point | 122-125 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| 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 2,3-Dihydro-3-oxo-4H-1,4-benzoxazine-4-propionitrile used for?
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This compound is primarily used as a building block and intermediate in organic synthesis, particularly for pharmaceutical research and the development of novel chemical entities. It is also utilised in materials science and general chemical research and development.
What is the CAS number and molecular formula?
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The CAS number is 23866-12-8, and the empirical formula (Hill Notation) is C11H10N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,3-Dihydro-3-oxo-4H-1,4-benzoxazine-4-propionitrile with a minimum assay of 98%. This product is intended for research and chemical synthesis and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 2,3-Dihydro-3-oxo-4H-1,4-benzoxazine-4-propionitrile be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves. Avoid breathing dust/fume/gas/mist/vapours/spray. Wash thoroughly after handling. Specific hazard statements include H302, H312, H315, H319, H332, and H335.
Is this chemical suitable for export or international shipping?
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Yes, Tech Serve Solutions specialises in global supply and export of fine chemicals. We adhere to all regulations for the safe and compliant international shipment of 2,3-Dihydro-3-oxo-4H-1,4-benzoxazine-4-propionitrile.
How can I request a sample or a quote?
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To request a sample or a quote for 2,3-Dihydro-3-oxo-4H-1,4-benzoxazine-4-propionitrile, please contact our sales team through the website or by phone. Provide your specific requirements, and we will respond promptly.
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