2,4-Cyclopentadien-1-ol,
1,1'-(2,3,5,6-tetramethyl-1,4-phenylene)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 61794-77-2 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, 7 and 7 respectively. Calculate Digit Verification of CAS Registry Number 61794-77: (7*6)+(6*1)+(5*7)+(4*9)+(3*4)+(2*7)+(1*7)=152 152 % 10 = 2 So 61794-77-2 is a valid CAS Registry Number.