5569-29-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5569-29-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,6 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5569-29:
(6*5)+(5*5)+(4*6)+(3*9)+(2*2)+(1*9)=119
119 % 10 = 9
So 5569-29-9 is a valid CAS Registry Number.