190969-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 190969-66-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,9,6 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 190969-66:
(8*1)+(7*9)+(6*0)+(5*9)+(4*6)+(3*9)+(2*6)+(1*6)=185
185 % 10 = 5
So 190969-66-5 is a valid CAS Registry Number.