57497-12-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57497-12-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,4,9 and 7 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 57497-12:
(7*5)+(6*7)+(5*4)+(4*9)+(3*7)+(2*1)+(1*2)=158
158 % 10 = 8
So 57497-12-8 is a valid CAS Registry Number.