5563-61-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5563-61-1 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 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5563-61:
(6*5)+(5*5)+(4*6)+(3*3)+(2*6)+(1*1)=101
101 % 10 = 1
So 5563-61-1 is a valid CAS Registry Number.