1,2,6,1',2',6'-hexaphenyl-1,2,1',2'-tetrahydro-[4,4']biphosphininyl 1,1'-dioxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 31480-22-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,4,8 and 0 respectively; the second part has 2 digits, 2 and 2 respectively. Calculate Digit Verification of CAS Registry Number 31480-22: (7*3)+(6*1)+(5*4)+(4*8)+(3*0)+(2*2)+(1*2)=85 85 % 10 = 5 So 31480-22-5 is a valid CAS Registry Number.