1224932-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1224932-55-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,4,9,3 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1224932-55:
(9*1)+(8*2)+(7*2)+(6*4)+(5*9)+(4*3)+(3*2)+(2*5)+(1*5)=141
141 % 10 = 1
So 1224932-55-1 is a valid CAS Registry Number.