5269-55-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5269-55-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,6 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5269-55:
(6*5)+(5*2)+(4*6)+(3*9)+(2*5)+(1*5)=106
106 % 10 = 6
So 5269-55-6 is a valid CAS Registry Number.