855220-85-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855220-85-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,2,2 and 0 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 855220-85:
(8*8)+(7*5)+(6*5)+(5*2)+(4*2)+(3*0)+(2*8)+(1*5)=168
168 % 10 = 8
So 855220-85-8 is a valid CAS Registry Number.