563-93-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 563-93-9 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 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 563-93:
(5*5)+(4*6)+(3*3)+(2*9)+(1*3)=79
79 % 10 = 9
So 563-93-9 is a valid CAS Registry Number.