1416226-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1416226-17-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,6,2,2 and 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1416226-17:
(9*1)+(8*4)+(7*1)+(6*6)+(5*2)+(4*2)+(3*6)+(2*1)+(1*7)=129
129 % 10 = 9
So 1416226-17-9 is a valid CAS Registry Number.