2,4-Dichloropyrimidine-5-carbonyl chloride
2,4-Dichloropyrimidine-5-carbonyl chloride (CAS 2972-52-3) is a halogenated heterocyclic compound with the molecular formula C5HCl3N2O and a molecular weight of 211.43 g/mol. This reactive intermediate serves as a valuable building block in organic synthesis, particularly for the preparation of more complex pyrimidine derivatives. Its structure makes it suitable for applications in chemical research and development, contributing to the advancement of novel compounds.
- Synonyms
- C5HCl3N2O

Organic Synthesis Intermediate
Utilised as a key intermediate in multi-step organic synthesis routes. It allows for the introduction of the 2,4-dichloropyrimidine-5-carbonyl moiety into target molecules.
Heterocyclic Chemistry Research
A useful reagent for researchers exploring novel pyrimidine-based structures and their properties. Facilitates the development of new chemical entities for various scientific investigations.
Building Block for Fine Chemicals
Serves as a foundational component in the synthesis of fine chemicals, where precise structural incorporation is required. Its reactive nature is leveraged in controlled chemical transformations.
| Molecular weight | 211.43 |
|---|---|
| Empirical formula | C5HCl3N2O |
| Assay | 97% |
| Density | 1.645 g/mL at 25 °C |
| Refractive index | n20/D 1.586 |


Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H314Causes severe skin burns and eye damage
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Flash point | 93 °C / 199.4 °F |
|---|---|
| Transport (UN / ADR) | UN 3265 8 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 20/21/22-34 |
| Safety statements (S) | 6-7/9-24/25-26-36/37/39-51 |
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-Dichloropyrimidine-5-carbonyl chloride used for?
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2,4-Dichloropyrimidine-5-carbonyl chloride (CAS 2972-52-3) is primarily used as a building block and intermediate in organic synthesis, particularly in the field of heterocyclic chemistry and for the preparation of fine chemicals and pharmaceutical intermediates.
What is the CAS number and formula for 2,4-Dichloropyrimidine-5-carbonyl chloride?
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The CAS number is 2972-52-3 and the empirical formula is C5HCl3N2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4-Dichloropyrimidine-5-carbonyl chloride with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated in the product specifications.
How should 2,4-Dichloropyrimidine-5-carbonyl chloride be handled safely?
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This compound is classified as Danger, with hazards including H302 (Harmful if swallowed), H312 (Harmful in contact with skin), H314 (Causes severe skin burns and eye damage), and H332 (Harmful if inhaled). Always handle with appropriate personal protective equipment, including gloves, eye protection, and respiratory protection, in a well-ventilated area. Refer to the Safety Data Sheet (SDS) for comprehensive safety information.
How is 2,4-Dichloropyrimidine-5-carbonyl chloride packed and exported?
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As a specialist global supplier, Tech Serve Solutions offers 2,4-Dichloropyrimidine-5-carbonyl chloride in various pack sizes suitable for laboratory and industrial use, adhering to all necessary regulations for safe packing, shipping, and export.
How can I request a sample or quote for 2,4-Dichloropyrimidine-5-carbonyl chloride?
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To request a sample or a quote, please contact our sales department through the website or by phone, providing your specific requirements and shipping details.
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