193690-68-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 193690-68-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,6,9 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 193690-68:
(8*1)+(7*9)+(6*3)+(5*6)+(4*9)+(3*0)+(2*6)+(1*8)=175
175 % 10 = 5
So 193690-68-5 is a valid CAS Registry Number.