Ethyl 3,4-anhydro-β-DL-ribopyranoside is a chemical compound with the molecular formula C7H12O4. It is a derivative of ribose, a sugar molecule, where the hydroxyl groups at the 3 and 4 positions are removed, creating an anhydro bridge. ethyl 3,4-anhydro-β-DL-ribopyranoside is a key intermediate in the synthesis of various nucleoside analogs, which are used as antiviral and anticancer drugs. It is also utilized in the preparation of other biologically active compounds due to its unique structure. The compound is a white crystalline solid and is soluble in common organic solvents. Its synthesis typically involves protecting group chemistry and selective deoxygenation steps, making it a valuable building block in organic synthesis and medicinal chemistry.
The CAS Registry Mumber 2773-65-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,7 and 3 respectively; the second part has 2 digits, 6 and 5 respectively. Calculate Digit Verification of CAS Registry Number 2773-65: (6*2)+(5*7)+(4*7)+(3*3)+(2*6)+(1*5)=101 101 % 10 = 1 So 2773-65-1 is a valid CAS Registry Number.