685836-16-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685836-16-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,8,3 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 685836-16:
(8*6)+(7*8)+(6*5)+(5*8)+(4*3)+(3*6)+(2*1)+(1*6)=212
212 % 10 = 2
So 685836-16-2 is a valid CAS Registry Number.