4-Amino-6-chloropyrimidine
4-Amino-6-chloropyrimidine (CAS: 5305-59-9; Formula: C4H4ClN3) is a halogenated heterocyclic compound with a molecular weight of 129.55 g/mol. This pyrimidine derivative is a key building block in organic synthesis, particularly for the construction of more complex nitrogen-containing ring systems. It is widely utilised in the chemical industry for research and development purposes and as an intermediate in the synthesis of various fine chemicals and potentially active pharmaceutical ingredients.
- IUPAC
- 6-Amino-4-chloropyrimidine
- Synonyms
- 6-Amino-4-chloropyrimidine

Organic Synthesis Intermediate
Utilised as a versatile building block in multi-step organic syntheses. Its reactive sites allow for the introduction of diverse functionalities, facilitating the creation of complex molecular architectures.
Heterocyclic Chemistry
Serves as a fundamental component in the synthesis of substituted pyrimidines and related heterocyclic compounds. These structures are prevalent in medicinal chemistry and material science.
Research and Development
A valuable reagent for academic and industrial laboratories exploring new chemical pathways and developing novel compounds. Its structural features make it suitable for various chemical transformations.
| Molecular weight | 129.55 |
|---|---|
| Empirical formula | C4H4ClN3 |
| Assay | 97% |
| Melting point | 214-219 °C |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| 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 4-Amino-6-chloropyrimidine used for?
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4-Amino-6-chloropyrimidine is primarily used as an intermediate in organic synthesis and for research and development purposes, particularly in heterocyclic chemistry.
What is the CAS number and formula for 4-Amino-6-chloropyrimidine?
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The CAS number for 4-Amino-6-chloropyrimidine is 5305-59-9, and its empirical formula is C4H4ClN3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Amino-6-chloropyrimidine with an assay of 97%. This product is intended for technical and research purposes and is not supplied as USP, BP, or EP grade.
What are the safety and handling precautions for 4-Amino-6-chloropyrimidine?
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4-Amino-6-chloropyrimidine is classified as a Warning substance. It is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, ensuring good ventilation, and avoid contact with skin, eyes, and clothing. Avoid breathing dust.
Is 4-Amino-6-chloropyrimidine a controlled substance?
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The provided data does not indicate that 4-Amino-6-chloropyrimidine is a controlled substance.
How is 4-Amino-6-chloropyrimidine packed, shipped, and exported?
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Tech Serve Solutions, as a specialist global supplier and exporter, ensures appropriate packaging and adherence to all regulations for shipping and exporting chemical products worldwide.
How can I request a sample or quote for 4-Amino-6-chloropyrimidine?
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To request a sample or a quotation for 4-Amino-6-chloropyrimidine, please contact our sales department through the official Tech Serve Solutions website or via the provided contact details.
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