855222-57-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855222-57-0 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 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 855222-57:
(8*8)+(7*5)+(6*5)+(5*2)+(4*2)+(3*2)+(2*5)+(1*7)=170
170 % 10 = 0
So 855222-57-0 is a valid CAS Registry Number.