6-Amino-1,3-dimethyl-1,2,3,4-tetrahydropyrimidine-2,4-dione
Pharmaceutical Materials 2025-03-02
CAS Number: 6642-31-5
Molecular Formula: C6H9N3O2
Molecular Weight: 155.15 g/mol Appearance: Solid (Pale Beige)
Usage: Used as a reagent in the synthesis of new pyrimidine and caffeine derivatives, and as a starting material in the synthesis of fused pyrido-pyrimidines.
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| Category | Details |
|---|---|
| Chemical Name | 6-Amino-1.3-dimethyl-1.2.3.4-tetrahydropyrimidine-2.4-dione |
| Synonyms | 1.3-Dimethyl-6-aminouracil, 6-Amino-1.3-dimethyluracil |
| CAS Number | 6642-31-5 |
| Molecular Formula | C6H9N3O2 |
| Molecular Weight | 155.16 g/mol |
| Appearance | Solid; Light orange to yellow to green powder or crystal |
| Melting Point | 295 °C (dec.) |
| Boiling Point | 243.1±43.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm³ or 1.288±0.06 g/cm³ (predicted) |
| Flash Point | 100.8±28.2 °C |
| Solubility | Soluble in water (7.06 g/L at 25 ºC) |
| Chemical Properties | Forms stable salts with acids and bases; exhibits antitumor activity in synthetic derivatives |
| Applications | – Used as a medical intermediate – Acts as an intermediate in the synthesis of caffeine and pyrimidine derivatives – Potential use in the synthesis of fused pyrido-pyrimidines |
| Safety | Non-hazardous under normal conditions; however, it should be handled with caution to avoid skin and eye contact. Store in a cool, dry place, away from heat and sources of ignition. |
