201600-28-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201600-28-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,6,0 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 201600-28:
(8*2)+(7*0)+(6*1)+(5*6)+(4*0)+(3*0)+(2*2)+(1*8)=64
64 % 10 = 4
So 201600-28-4 is a valid CAS Registry Number.