856815-88-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856815-88-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,8,1 and 5 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 856815-88:
(8*8)+(7*5)+(6*6)+(5*8)+(4*1)+(3*5)+(2*8)+(1*8)=218
218 % 10 = 8
So 856815-88-8 is a valid CAS Registry Number.