1224166-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1224166-05-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,4,1,6 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1224166-05:
(9*1)+(8*2)+(7*2)+(6*4)+(5*1)+(4*6)+(3*6)+(2*0)+(1*5)=115
115 % 10 = 5
So 1224166-05-5 is a valid CAS Registry Number.