1,2,3,5,7,11,13-Cyclotetradecaheptaen-9-yne,
1,11-bis(1,1-dimethylethyl)-4,8-diphenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 53492-18-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,4,9 and 2 respectively; the second part has 2 digits, 1 and 8 respectively. Calculate Digit Verification of CAS Registry Number 53492-18: (7*5)+(6*3)+(5*4)+(4*9)+(3*2)+(2*1)+(1*8)=125 125 % 10 = 5 So 53492-18-5 is a valid CAS Registry Number.