562-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 562-75-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,6 and 2 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 562-75:
(5*5)+(4*6)+(3*2)+(2*7)+(1*5)=74
74 % 10 = 4
So 562-75-4 is a valid CAS Registry Number.