51103-99-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51103-99-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,1,0 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 51103-99:
(7*5)+(6*1)+(5*1)+(4*0)+(3*3)+(2*9)+(1*9)=82
82 % 10 = 2
So 51103-99-2 is a valid CAS Registry Number.