2,2'-Bis-diphenylphosphanyl-3,3,4,4,3',3',4',4'-octafluoro-bicyclobutyl-1,1'-diene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 61070-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,0,7 and 0 respectively; the second part has 2 digits, 9 and 1 respectively. Calculate Digit Verification of CAS Registry Number 61070-91: (7*6)+(6*1)+(5*0)+(4*7)+(3*0)+(2*9)+(1*1)=95 95 % 10 = 5 So 61070-91-5 is a valid CAS Registry Number.