5269-64-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5269-64-7 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, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 5269-64:
(6*5)+(5*2)+(4*6)+(3*9)+(2*6)+(1*4)=107
107 % 10 = 7
So 5269-64-7 is a valid CAS Registry Number.