16390-83-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16390-83-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,3,9 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 16390-83:
(7*1)+(6*6)+(5*3)+(4*9)+(3*0)+(2*8)+(1*3)=113
113 % 10 = 3
So 16390-83-3 is a valid CAS Registry Number.