685109-26-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685109-26-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,1,0 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 685109-26:
(8*6)+(7*8)+(6*5)+(5*1)+(4*0)+(3*9)+(2*2)+(1*6)=176
176 % 10 = 6
So 685109-26-6 is a valid CAS Registry Number.