685144-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685144-05-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,1,4 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 685144-05:
(8*6)+(7*8)+(6*5)+(5*1)+(4*4)+(3*4)+(2*0)+(1*5)=172
172 % 10 = 2
So 685144-05-2 is a valid CAS Registry Number.