1616110-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1616110-80-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,6,1,1 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1616110-80:
(9*1)+(8*6)+(7*1)+(6*6)+(5*1)+(4*1)+(3*0)+(2*8)+(1*0)=125
125 % 10 = 5
So 1616110-80-5 is a valid CAS Registry Number.