2,8-Bis-chloromethyl-2,8-dimethyl-4,4,6,6,10,10,12,12-octaphenyl-1,3,5,7,9,11-hexaoxa-2,4,6,8,10,12-hexasila-cyclododecane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 79891-87-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,8,9 and 1 respectively; the second part has 2 digits, 8 and 7 respectively. Calculate Digit Verification of CAS Registry Number 79891-87: (7*7)+(6*9)+(5*8)+(4*9)+(3*1)+(2*8)+(1*7)=205 205 % 10 = 5 So 79891-87-5 is a valid CAS Registry Number.