1416169-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1416169-71-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,6,1,6 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1416169-71:
(9*1)+(8*4)+(7*1)+(6*6)+(5*1)+(4*6)+(3*9)+(2*7)+(1*1)=155
155 % 10 = 5
So 1416169-71-5 is a valid CAS Registry Number.