51021-92-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51021-92-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,0,2 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 51021-92:
(7*5)+(6*1)+(5*0)+(4*2)+(3*1)+(2*9)+(1*2)=72
72 % 10 = 2
So 51021-92-2 is a valid CAS Registry Number.