1224128-79-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1224128-79-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,4,1,2 and 8 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1224128-79:
(9*1)+(8*2)+(7*2)+(6*4)+(5*1)+(4*2)+(3*8)+(2*7)+(1*9)=123
123 % 10 = 3
So 1224128-79-3 is a valid CAS Registry Number.