5578-56-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5578-56-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,7 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 5578-56:
(6*5)+(5*5)+(4*7)+(3*8)+(2*5)+(1*6)=123
123 % 10 = 3
So 5578-56-3 is a valid CAS Registry Number.