857228-97-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857228-97-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,2,2 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 857228-97:
(8*8)+(7*5)+(6*7)+(5*2)+(4*2)+(3*8)+(2*9)+(1*7)=208
208 % 10 = 8
So 857228-97-8 is a valid CAS Registry Number.