2-Amino-5,6-dimethyl-4-hydroxypyrimidine
2-Amino-5,6-dimethyl-4-hydroxypyrimidine (CAS 3977-23-9), with the molecular formula C6H9N3O and a molecular weight of 139.16 g/mol, is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. This pyrimidine derivative is primarily utilised in research and development settings for the creation of novel chemical entities and advanced materials.
- Synonyms
- C6H9N3O

Chemical Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of more complex organic molecules. Its pyrimidine core allows for diverse functionalisation pathways in multi-step synthetic routes.
Heterocyclic Chemistry Research
As a substituted pyrimidine, it is employed in academic and industrial research focused on heterocyclic chemistry. It aids in exploring structure-activity relationships and developing new heterocyclic systems.
Material Science Precursor
Potential applications exist in material science, where its structure could be incorporated into polymers or other advanced materials requiring specific nitrogen-containing heterocyclic units.
| Molecular weight | 139.16 |
|---|---|
| Empirical formula | C6H9N3O |
| Assay | 96% |
| Melting point | 333-337 °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) | 26-36 |
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-Amino-5,6-dimethyl-4-hydroxypyrimidine used for?
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2-Amino-5,6-dimethyl-4-hydroxypyrimidine (CAS 3977-23-9) is primarily used as a building block in chemical synthesis and for research in heterocyclic chemistry.
What is the CAS number and molecular formula for 2-Amino-5,6-dimethyl-4-hydroxypyrimidine?
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The CAS number is 3977-23-9 and the molecular formula is C6H9N3O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Amino-5,6-dimethyl-4-hydroxypyrimidine with an assay of 96%. This is a technical/research grade material, and TSS does not represent it as USP, BP, or EP grade.
How should I safely handle 2-Amino-5,6-dimethyl-4-hydroxypyrimidine?
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This compound is a skin, eye, and respiratory irritant. Handle with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves. Ensure good ventilation, avoid breathing dust, and wash thoroughly after handling. Refer to the Safety Data Sheet for full details.
Is 2-Amino-5,6-dimethyl-4-hydroxypyrimidine a controlled substance?
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The provided data does not indicate that 2-Amino-5,6-dimethyl-4-hydroxypyrimidine is a controlled substance.
How is 2-Amino-5,6-dimethyl-4-hydroxypyrimidine packed and shipped?
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Tech Serve Solutions exports chemicals globally, adhering to all relevant shipping regulations. Packaging is designed to ensure product integrity and safety during transit.
How can I request a sample or quote for 2-Amino-5,6-dimethyl-4-hydroxypyrimidine?
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To request a sample or quote, please contact our sales department via the website or directly by phone. Please reference the product name and CAS number (3977-23-9).
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