74694-69-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74694-69-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,9 and 4 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74694-69:
(7*7)+(6*4)+(5*6)+(4*9)+(3*4)+(2*6)+(1*9)=172
172 % 10 = 2
So 74694-69-2 is a valid CAS Registry Number.