685839-45-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685839-45-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,8,3 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 685839-45:
(8*6)+(7*8)+(6*5)+(5*8)+(4*3)+(3*9)+(2*4)+(1*5)=226
226 % 10 = 6
So 685839-45-6 is a valid CAS Registry Number.