5-(Chloromethyl)uracil
5-(Chloromethyl)uracil (CAS: 3590-48-5) is a halogenated pyrimidine derivative with the molecular formula C5H5ClN2O2 and a molecular weight of 160.56 g/mol. This compound serves as a valuable building block in organic synthesis, particularly within the fields of medicinal chemistry and heterocyclic compound development. Its reactive chloromethyl group facilitates various chemical transformations, making it a useful intermediate for constructing more complex molecular architectures.

Organic Synthesis Intermediate
5-(Chloromethyl)uracil is employed as a versatile intermediate in the synthesis of various organic molecules. The presence of the chloromethyl moiety allows for nucleophilic substitution reactions, enabling the introduction of diverse functional groups.
Medicinal Chemistry Research
This compound can be utilized in the development of novel pharmaceutical agents. Its pyrimidine core is a common scaffold in many biologically active molecules, and modifications via the chloromethyl group can lead to new drug candidates.
Heterocyclic Compound Synthesis
As a halogenated heterocyclic building block, 5-(Chloromethyl)uracil is integral to the construction of more complex heterocyclic systems. This is crucial for researchers exploring new materials and bioactive compounds.
| Molecular weight | 160.56 |
|---|---|
| Empirical formula | C5H5ClN2O2 |
| Assay | 96% |
| Storage temperature | 2-8°C |
| Melting point | >350 °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 5-(Chloromethyl)uracil used for?
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5-(Chloromethyl)uracil (CAS: 3590-48-5) is primarily used as a building block in organic synthesis, particularly in medicinal chemistry and the development of heterocyclic compounds.
What are the CAS number and molecular formula for 5-(Chloromethyl)uracil?
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The CAS number for 5-(Chloromethyl)uracil is 3590-48-5, and its molecular formula is C5H5ClN2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-(Chloromethyl)uracil with a minimum assay of 96%. We do not represent this product as meeting USP, BP, EP, or other pharmacopoeia standards.
What are the safety considerations when handling 5-(Chloromethyl)uracil?
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5-(Chloromethyl)uracil is classified as a Warning (GHS07) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be used during handling.
How is 5-(Chloromethyl)uracil packed and shipped?
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5-(Chloromethyl)uracil is typically stored at 2-8°C. It is carefully packed and exported by Tech Serve Solutions in compliance with all relevant shipping regulations for chemical compounds.
How can I request a sample or quote for 5-(Chloromethyl)uracil?
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To request a sample or a quotation for 5-(Chloromethyl)uracil, please contact our sales team through the website or via direct inquiry, providing your specific requirements.
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