59128-57-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 59128-57-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,1,2 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 59128-57:
(7*5)+(6*9)+(5*1)+(4*2)+(3*8)+(2*5)+(1*7)=143
143 % 10 = 3
So 59128-57-3 is a valid CAS Registry Number.