69684-45-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69684-45-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,6,8 and 4 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 69684-45:
(7*6)+(6*9)+(5*6)+(4*8)+(3*4)+(2*4)+(1*5)=183
183 % 10 = 3
So 69684-45-3 is a valid CAS Registry Number.