Methyl 2-(4-oxo-3(4H)-quinazolinyl)benzoate
Methyl 2-(4-oxo-3(4H)-quinazolinyl)benzoate (CAS: 51310-21-5) is a heterocyclic organic compound with the molecular formula C16H12N2O3 and a molecular weight of 280.28 g/mol. This chemical serves as a valuable building block in organic synthesis, particularly within the realm of heterocyclic chemistry. Its structure makes it suitable for further functionalization and incorporation into more complex molecular architectures for research and development purposes.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of diverse organic molecules. Its quinazoline core and benzoate ester functionality allow for various chemical transformations.
Heterocyclic Chemistry Research
A useful building block for researchers exploring novel quinazoline derivatives and related heterocyclic systems. Facilitates the creation of new chemical entities.
Pharmaceutical Intermediate Development
Can be employed in the early stages of drug discovery and development as a precursor to potential active pharmaceutical ingredients (APIs).
| Molecular weight | 280.28 |
|---|---|
| Empirical formula | C16H12N2O3 |
| Assay | 97% |

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 Methyl 2-(4-oxo-3(4H)-quinazolinyl)benzoate used for?
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Methyl 2-(4-oxo-3(4H)-quinazolinyl)benzoate is primarily used as a building block and intermediate in organic synthesis, particularly in heterocyclic chemistry research and the development of pharmaceutical intermediates.
What are the CAS number and molecular formula?
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The CAS number for Methyl 2-(4-oxo-3(4H)-quinazolinyl)benzoate is 51310-21-5, and its molecular formula is C16H12N2O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl 2-(4-oxo-3(4H)-quinazolinyl)benzoate at an assay of 97%. This is typically considered a research or technical grade, and TSS does not represent it as USP, BP, or EP grade.
How should Methyl 2-(4-oxo-3(4H)-quinazolinyl)benzoate be handled safely?
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This compound is a Warning: H315 Causes skin irritation, H319 Causes serious eye irritation, H335 May cause respiratory irritation. Use a dust mask type N95 (US), wear eyeshields and gloves. Avoid breathing dust. Ensure adequate ventilation. Refer to the Safety Data Sheet for comprehensive handling information.
How is this chemical packed, shipped, and exported?
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As a specialist global supplier, Tech Serve Solutions ensures secure and compliant packing for shipping and export. Specific packaging details can be provided upon request, adhering to international regulations.
How can I request a quote or sample?
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To request a quote or sample of Methyl 2-(4-oxo-3(4H)-quinazolinyl)benzoate, please use the contact form on our website or call our sales team, referencing the product CAS number 51310-21-5.
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