69932-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69932-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,9,3 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 69932-20:
(7*6)+(6*9)+(5*9)+(4*3)+(3*2)+(2*2)+(1*0)=163
163 % 10 = 3
So 69932-20-3 is a valid CAS Registry Number.