4,4'-Dimethoxy-2,2',3,3',5,5',6,6'-octamethyl-diphenyl-methan is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 56947-48-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,9,4 and 7 respectively; the second part has 2 digits, 4 and 8 respectively. Calculate Digit Verification of CAS Registry Number 56947-48: (7*5)+(6*6)+(5*9)+(4*4)+(3*7)+(2*4)+(1*8)=169 169 % 10 = 9 So 56947-48-9 is a valid CAS Registry Number.