685501-69-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685501-69-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,5,0 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 685501-69:
(8*6)+(7*8)+(6*5)+(5*5)+(4*0)+(3*1)+(2*6)+(1*9)=183
183 % 10 = 3
So 685501-69-3 is a valid CAS Registry Number.