51719-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51719-68-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,7,1 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 51719-68:
(7*5)+(6*1)+(5*7)+(4*1)+(3*9)+(2*6)+(1*8)=127
127 % 10 = 7
So 51719-68-7 is a valid CAS Registry Number.