856812-88-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856812-88-9 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 2 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 856812-88:
(8*8)+(7*5)+(6*6)+(5*8)+(4*1)+(3*2)+(2*8)+(1*8)=209
209 % 10 = 9
So 856812-88-9 is a valid CAS Registry Number.