5680-78-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5680-78-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,8 and 0 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 5680-78:
(6*5)+(5*6)+(4*8)+(3*0)+(2*7)+(1*8)=114
114 % 10 = 4
So 5680-78-4 is a valid CAS Registry Number.