2-(Chloromethyl)-4(3H)-quinazolinone
2-(Chloromethyl)-4(3H)-quinazolinone (CAS 3817-05-8) is a halogenated heterocyclic organic compound with the molecular formula C9H7ClN2O and a molecular weight of 194.62 g/mol. It serves as a valuable building block in chemical synthesis, particularly for the preparation of more complex quinazoline derivatives. This compound is frequently employed in research and development settings for its utility in creating novel molecules with potential applications in medicinal chemistry and materials science.

Chemical Synthesis Intermediate
This quinazolinone derivative is widely utilised as an intermediate in the synthesis of various organic compounds. Its chloromethyl group provides a reactive site for nucleophilic substitution reactions, enabling the construction of diverse molecular architectures.
Pharmaceutical Research
The quinazoline scaffold is a common feature in many biologically active molecules. 2-(Chloromethyl)-4(3H)-quinazolinone can be a precursor for developing novel drug candidates, aiding in the exploration of new therapeutic agents.
Heterocyclic Chemistry
As a functionalised heterocycle, this compound is instrumental in expanding the repertoire of heterocyclic building blocks available to synthetic chemists. It facilitates access to complex fused ring systems.
| Molecular weight | 194.62 |
|---|---|
| Empirical formula | C9H7ClN2O |
| Assay | 97% |
| Melting point | 249-253 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36-43 |
| Safety statements (S) | 26-36/37 |
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-(Chloromethyl)-4(3H)-quinazolinone used for?
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2-(Chloromethyl)-4(3H)-quinazolinone is primarily used as a building block and intermediate in chemical synthesis, particularly in the development of novel quinazoline derivatives for pharmaceutical research and other areas of organic chemistry.
What is the CAS number and formula for 2-(Chloromethyl)-4(3H)-quinazolinone?
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The CAS number for 2-(Chloromethyl)-4(3H)-quinazolinone is 3817-05-8, and its molecular formula is C9H7ClN2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-(Chloromethyl)-4(3H)-quinazolinone with an assay of 97%. We do not represent this product as USP, BP, or EP grade unless explicitly stated otherwise in the product documentation.
What are the safety considerations when handling 2-(Chloromethyl)-4(3H)-quinazolinone?
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This compound is classified as a Warning. It is harmful if swallowed (H302), may cause an allergic skin reaction (H317), and causes serious eye irritation (H319). Appropriate personal protective equipment including a dust mask (type N95 US), eyeshields, faceshields, and gloves should be used. Handle in a well-ventilated area.
How is 2-(Chloromethyl)-4(3H)-quinazolinone packed and shipped?
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Tech Serve Solutions packs and ships fine chemicals, pharmaceutical intermediates, and laboratory reagents globally, adhering to all relevant transportation regulations. Specific packaging details can be provided upon request.
How can I request a sample or quote for 2-(Chloromethyl)-4(3H)-quinazolinone?
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To request a sample or a quotation for 2-(Chloromethyl)-4(3H)-quinazolinone, please contact our sales team through the TSS website or by phone, providing your specific requirements.
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