685819-00-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685819-00-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,8,1 and 9 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 685819-00:
(8*6)+(7*8)+(6*5)+(5*8)+(4*1)+(3*9)+(2*0)+(1*0)=205
205 % 10 = 5
So 685819-00-5 is a valid CAS Registry Number.