855654-81-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855654-81-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,6,5 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 855654-81:
(8*8)+(7*5)+(6*5)+(5*6)+(4*5)+(3*4)+(2*8)+(1*1)=208
208 % 10 = 8
So 855654-81-8 is a valid CAS Registry Number.