4-Aminopyrimidine
4-Aminopyrimidine (CAS 591-54-8, C4H5N3) is a heterocyclic organic compound with a molecular weight of 95.10 g/mol. It serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. Its primary applications involve its use in the preparation of various chemical derivatives, contributing to research and development in organic chemistry. TSS offers this compound with an assay of 98%.

Chemical Synthesis Intermediate
4-Aminopyrimidine is utilised as a key intermediate in the synthesis of more complex organic molecules. Its structural features make it suitable for constructing diverse chemical scaffolds.
Preparation of Pyrimidine Derivatives
This compound has been historically employed in the preparation of specific pyrimidine derivatives, such as 1:4-dihydro-4-imino-1-methylpyrimidine hydriodide. This highlights its role in specialised synthetic pathways.
Heterocyclic Chemistry Research
As a heterocyclic building block, 4-Aminopyrimidine is integral to research in heterocyclic chemistry. It enables the exploration of novel compounds with potential applications in various scientific fields.
| Molecular weight | 95.10 |
|---|---|
| Empirical formula | C4H5N3 |
| Assay | 98% |
| Application | 4-Aminopyrimidine has been used in the preparation of 1:4-dihydro-4-imino-1-methylpyrimidine hydriodide1. |
| Melting point | 154-156 °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) | 26-37/39 |
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 4-Aminopyrimidine used for?
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4-Aminopyrimidine is primarily used as a building block in chemical synthesis, particularly for the preparation of other pyrimidine derivatives and in heterocyclic chemistry research. It has been used in the preparation of 1:4-dihydro-4-imino-1-methylpyrimidine hydriodide.
What is the CAS number and chemical formula for 4-Aminopyrimidine?
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The CAS number for 4-Aminopyrimidine is 591-54-8, and its chemical formula is C4H5N3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Aminopyrimidine with an assay of 98%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-Aminopyrimidine be handled safely?
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4-Aminopyrimidine is classified with GHS07 and the signal word 'Warning'. It carries hazard statements H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle in a well-ventilated area and avoid breathing dust. Ensure proper eye protection and wash hands thoroughly after handling. In case of eye contact, rinse cautiously with water for several minutes, removing contact lenses if present and easy to do. Continue rinsing.
Is 4-Aminopyrimidine a controlled substance?
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The provided data does not indicate that 4-Aminopyrimidine is a controlled substance.
How is 4-Aminopyrimidine packed and exported by TSS?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and can facilitate worldwide export of 4-Aminopyrimidine. Packing is managed according to international shipping regulations.
How can I request a quote or sample of 4-Aminopyrimidine?
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To request a quote or sample of 4-Aminopyrimidine, please contact our sales department through the website or by phone, providing your specific requirements and shipping details.
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