"10,16,21,22-Tetraoxa-3,13-dithiatricyclo[16.2.1.15,8]docosa-5,7,18,20(1)-tetrene-9,17-dione" is a complex organic compound characterized by its unique molecular structure. It features a tricyclic core with a docosahexaene backbone, which is a long-chain hydrocarbon. The compound is further defined by the presence of four oxygen atoms (tetraoxa) and two sulfur atoms (dithia), which are integrated into the ring structure. The numbering of the carbon atoms in the name indicates specific positions where the oxygen and sulfur atoms are bonded, as well as the locations of the carbonyl groups (dione) at the 9th and 17th positions. 10,16,21,22-Tetraoxa-3,13-dithiatricyclo[16.2.1.15,8]docosa-5,7,18,20(1)-tetrene-9,17-dione is likely to be of interest in chemical research due to its intricate structure and potential applications in various fields, such as materials science or pharmaceuticals.
The CAS Registry Mumber 71349-33-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,3,4 and 9 respectively; the second part has 2 digits, 3 and 3 respectively. Calculate Digit Verification of CAS Registry Number 71349-33: (7*7)+(6*1)+(5*3)+(4*4)+(3*9)+(2*3)+(1*3)=122 122 % 10 = 2 So 71349-33-2 is a valid CAS Registry Number.