855224-53-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855224-53-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,2,2 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 855224-53:
(8*8)+(7*5)+(6*5)+(5*2)+(4*2)+(3*4)+(2*5)+(1*3)=172
172 % 10 = 2
So 855224-53-2 is a valid CAS Registry Number.