2,4-Diaminopyrimidine
2,4-Diaminopyrimidine (CAS: 156-81-0) is a heterocyclic organic compound with the molecular formula C4H6N4 and a molecular weight of 110.12 g/mol. It serves as a crucial building block in organic synthesis and is widely employed in the chemical industry. This compound is valued for its role in constructing more complex molecular architectures, particularly within pharmaceutical research and development.
- Synonyms
- C4H6N4156-81-0

Organic Synthesis Intermediate
2,4-Diaminopyrimidine is a versatile intermediate used in the synthesis of various organic compounds. Its pyrimidine structure makes it valuable for creating diverse molecular scaffolds.
Pharmaceutical Research
This compound is frequently utilised in the development of novel pharmaceutical agents. Its structure is a key component in the design of molecules with potential therapeutic activities.
Heterocyclic Chemistry
As a substituted pyrimidine, it is a fundamental building block in heterocyclic chemistry. It facilitates the creation of complex nitrogen-containing ring systems.
| Molecular weight | 110.12 |
|---|---|
| Empirical formula | C4H6N4 |
| Assay | 98% |
| Melting point | 143-147 °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 2,4-Diaminopyrimidine used for?
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2,4-Diaminopyrimidine is primarily used as a building block in organic synthesis and in pharmaceutical research for the development of new drug candidates.
What is the CAS number and formula for 2,4-Diaminopyrimidine?
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The CAS number for 2,4-Diaminopyrimidine is 156-81-0, and its molecular formula is C4H6N4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4-Diaminopyrimidine with a minimum assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 2,4-Diaminopyrimidine be handled safely?
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Handle 2,4-Diaminopyrimidine with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. Refer to the safety data sheet for comprehensive handling instructions.
Is 2,4-Diaminopyrimidine a controlled substance?
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Based on the provided data, 2,4-Diaminopyrimidine is not indicated as a controlled substance.
How is 2,4-Diaminopyrimidine packed and shipped?
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Tech Serve Solutions exports and supplies 2,4-Diaminopyrimidine according to international shipping regulations. Specific packaging details are available upon request.
How can I request a quote or sample?
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To request a quote or a sample of 2,4-Diaminopyrimidine, please contact our sales team through the website or direct inquiry channels.
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