193980-14-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 193980-14-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,9,8 and 0 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 193980-14:
(8*1)+(7*9)+(6*3)+(5*9)+(4*8)+(3*0)+(2*1)+(1*4)=172
172 % 10 = 2
So 193980-14-2 is a valid CAS Registry Number.