Description:Purine, with the CAS number 120-73-0, is a heterocyclic aromatic organic compound that serves as a fundamental building block for nucleic acids, such as DNA and RNA. It consists of a fused double-ring structure containing carbon and nitrogen atoms, specifically a pyrimidine ring fused to an imidazole ring. Purine is characterized by its ability to form hydrogen bonds, which is crucial for base pairing in nucleic acids. It is a colorless, crystalline solid that is soluble in water and exhibits basic properties due to the presence of nitrogen atoms that can accept protons. Purine derivatives, such as adenine and guanine, play vital roles in cellular metabolism and energy transfer, particularly in the form of adenosine triphosphate (ATP). Additionally, purine is involved in various biochemical processes, including signal transduction and enzyme regulation. Its structural versatility and reactivity make it a significant compound in biochemistry and molecular biology.
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