6-Chloro-3-methyl-9H-purin-3-ium chloride, also known as 6-chloro-3-methylpurine, is a chemical compound with the molecular formula C5H5ClN4. It is a derivative of purine, a heterocyclic aromatic organic compound that is a central component of nucleic acids, such as DNA and RNA. This specific compound features a chlorine atom at the 6th position, a methyl group at the 3rd position, and a positively charged nitrogen atom at the 3rd position, which is responsible for its ionic nature. It is a white crystalline solid and is soluble in water. 6-Chloro-3-methyl-9H-purin-3-ium chloride is used as an intermediate in the synthesis of various pharmaceuticals and biologically active compounds, particularly in the development of antiviral and anticancer drugs. Its chemical properties and reactivity make it a valuable building block in organic synthesis and medicinal chemistry.
The CAS Registry Mumber 4776-20-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,7 and 6 respectively; the second part has 2 digits, 2 and 0 respectively. Calculate Digit Verification of CAS Registry Number 4776-20: (6*4)+(5*7)+(4*7)+(3*6)+(2*2)+(1*0)=109 109 % 10 = 9 So 4776-20-9 is a valid CAS Registry Number.