685846-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685846-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,8,4 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 685846-20:
(8*6)+(7*8)+(6*5)+(5*8)+(4*4)+(3*6)+(2*2)+(1*0)=212
212 % 10 = 2
So 685846-20-2 is a valid CAS Registry Number.