Trans-trans-Cycloeicosadien-(1,11)-tetraene-(5,7,15,17) is a complex organic compound characterized by a cyclic structure of 20 carbon atoms, with double bonds at positions 1, 11, 5, 7, 15, and 17. This molecule features a unique arrangement of double bonds, which are all in the trans configuration, meaning that the hydrogen atoms attached to the carbons involved in the double bonds are on opposite sides of the molecule. The compound's structure and properties make it an interesting subject for study in organic chemistry, particularly in the context of its potential applications and reactions.
The CAS Registry Mumber 7129-73-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,2 and 9 respectively; the second part has 2 digits, 7 and 3 respectively. Calculate Digit Verification of CAS Registry Number 7129-73: (6*7)+(5*1)+(4*2)+(3*9)+(2*7)+(1*3)=99 99 % 10 = 9 So 7129-73-9 is a valid CAS Registry Number.