2,2'-Bis-dicyclohexylphosphanyl-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 66723-44-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,7,2 and 3 respectively; the second part has 2 digits, 4 and 4 respectively. Calculate Digit Verification of CAS Registry Number 66723-44: (7*6)+(6*6)+(5*7)+(4*2)+(3*3)+(2*4)+(1*4)=142 142 % 10 = 2 So 66723-44-2 is a valid CAS Registry Number.