5616-78-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5616-78-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,1 and 6 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 5616-78:
(6*5)+(5*6)+(4*1)+(3*6)+(2*7)+(1*8)=104
104 % 10 = 4
So 5616-78-4 is a valid CAS Registry Number.