2,4-Cyclopentadien-1-ol,
1,1'-(2,2'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis[2,3,4,5-tetraphenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 61794-66-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,7,9 and 4 respectively; the second part has 2 digits, 6 and 6 respectively. Calculate Digit Verification of CAS Registry Number 61794-66: (7*6)+(6*1)+(5*7)+(4*9)+(3*4)+(2*6)+(1*6)=149 149 % 10 = 9 So 61794-66-9 is a valid CAS Registry Number.