1,2-Cycloundecadiene is a cyclic alkene with the molecular formula C11H18. It is a colorless liquid with a strong, pungent odor. This organic compound consists of an 11-membered ring with two carbon-carbon double bonds at positions 1 and 2. It is an important intermediate in the synthesis of various chemicals, including pharmaceuticals, agrochemicals, and fragrances. 1,2-Cycloundecadiene is also known for its potential use as a monomer in the production of polymers. Due to its reactive nature, it is typically handled under controlled conditions to prevent unwanted side reactions.
The CAS Registry Mumber 7129-72-8 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 2 respectively. Calculate Digit Verification of CAS Registry Number 7129-72: (6*7)+(5*1)+(4*2)+(3*9)+(2*7)+(1*2)=98 98 % 10 = 8 So 7129-72-8 is a valid CAS Registry Number.