66969-01-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66969-01-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,9,6 and 9 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 66969-01:
(7*6)+(6*6)+(5*9)+(4*6)+(3*9)+(2*0)+(1*1)=175
175 % 10 = 5
So 66969-01-5 is a valid CAS Registry Number.