2,4,3',4'-Tetramethoxy-thiobenzophenone is a chemical compound with the molecular formula C16H18O4S. It is a derivative of benzophenone, featuring four methoxy groups (-OCH3) attached to the benzene rings and a sulfur atom (S) connecting the two benzene rings. This organic compound is known for its photochemical properties and is often used in the synthesis of various dyes, pigments, and pharmaceuticals. Due to its conjugated system and the presence of electron-donating methoxy groups, it exhibits interesting photophysical and photochemical behaviors, making it a subject of interest in the field of photochemistry.
The CAS Registry Mumber 4532-65-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,3 and 2 respectively; the second part has 2 digits, 6 and 5 respectively. Calculate Digit Verification of CAS Registry Number 4532-65: (6*4)+(5*5)+(4*3)+(3*2)+(2*6)+(1*5)=84 84 % 10 = 4 So 4532-65-4 is a valid CAS Registry Number.