69662-23-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69662-23-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,6,6 and 2 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 69662-23:
(7*6)+(6*9)+(5*6)+(4*6)+(3*2)+(2*2)+(1*3)=163
163 % 10 = 3
So 69662-23-3 is a valid CAS Registry Number.