16339-56-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16339-56-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,3,3 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 16339-56:
(7*1)+(6*6)+(5*3)+(4*3)+(3*9)+(2*5)+(1*6)=113
113 % 10 = 3
So 16339-56-3 is a valid CAS Registry Number.