(1S,2R,1'S,2'R)-2,2'-Diphenyl-2,3,2',3'-tetrahydro-1H,1'H-[1,1']biisophosphindolyl is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 102979-55-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,9,7 and 9 respectively; the second part has 2 digits, 5 and 5 respectively. Calculate Digit Verification of CAS Registry Number 102979-55: (8*1)+(7*0)+(6*2)+(5*9)+(4*7)+(3*9)+(2*5)+(1*5)=135 135 % 10 = 5 So 102979-55-5 is a valid CAS Registry Number.