2,4-Dichloro-5-iodopyrimidine
2,4-Dichloro-5-iodopyrimidine (CAS: 13544-44-0) is a halogenated heterocyclic compound with the molecular formula C4HCl2IN2 and a molecular weight of 274.87 g/mol. As a key building block in organic synthesis, it serves as a versatile intermediate for the preparation of more complex molecules. Its reactive halogen atoms make it particularly useful in cross-coupling reactions and nucleophilic substitutions within the pharmaceutical and agrochemical sectors.
- Synonyms
- C4HCl2IN2

Organic Synthesis Intermediate
This compound is frequently employed as a foundational molecule in multi-step organic synthesis pathways. Its pyrimidine core and multiple halogen substituents allow for selective functionalization.
Pharmaceutical Research
It serves as a crucial precursor in the development of novel drug candidates. The incorporation of the pyrimidine scaffold is common in various therapeutic agents, including antivirals and anticancer drugs.
Agrochemical Development
The unique structural features of 2,4-Dichloro-5-iodopyrimidine make it valuable for synthesizing new pesticides and herbicides, contributing to crop protection advancements.
Materials Science
This chemical can be utilised in the synthesis of functional organic materials, leveraging its heterocyclic structure for potential applications in electronic or optical devices.
| Molecular weight | 274.87 |
|---|---|
| Empirical formula | C4HCl2IN2 |
| Assay | 95% |
| Melting point | 65-69 °C |


Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26-39 |
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 2,4-Dichloro-5-iodopyrimidine primarily used for?
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2,4-Dichloro-5-iodopyrimidine is predominantly used as a versatile building block and intermediate in organic synthesis, particularly within pharmaceutical and agrochemical research and development.
What are the CAS number and chemical formula for 2,4-Dichloro-5-iodopyrimidine?
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The CAS number for 2,4-Dichloro-5-iodopyrimidine is 13544-44-0. Its empirical formula is C4HCl2IN2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4-Dichloro-5-iodopyrimidine with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
What are the main safety concerns when handling 2,4-Dichloro-5-iodopyrimidine?
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This compound is classified as Danger, with hazards including toxicity if swallowed (H301), skin irritation (H315), serious eye damage (H318), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95), eyeshields, face shields, and gloves, must be used. Handle with extreme care in a well-ventilated area.
How is 2,4-Dichloro-5-iodopyrimidine typically packed and shipped?
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As a global supplier, Tech Serve Solutions exports 2,4-Dichloro-5-iodopyrimidine following all relevant shipping regulations, including UN 2811, Class 6.1, Packing Group III. Packaging is designed to ensure product integrity and safety during transit.
How can I request a sample or quote for 2,4-Dichloro-5-iodopyrimidine?
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To request a sample or a quotation, please use the contact form on our website or contact our sales department directly. Please specify the quantity required and your delivery location.
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