685534-65-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685534-65-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,5,3 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 685534-65:
(8*6)+(7*8)+(6*5)+(5*5)+(4*3)+(3*4)+(2*6)+(1*5)=200
200 % 10 = 0
So 685534-65-0 is a valid CAS Registry Number.