16120-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16120-71-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,1,2 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 16120-71:
(7*1)+(6*6)+(5*1)+(4*2)+(3*0)+(2*7)+(1*1)=71
71 % 10 = 1
So 16120-71-1 is a valid CAS Registry Number.