685113-65-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685113-65-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,1,1 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 685113-65:
(8*6)+(7*8)+(6*5)+(5*1)+(4*1)+(3*3)+(2*6)+(1*5)=169
169 % 10 = 9
So 685113-65-9 is a valid CAS Registry Number.