1224055-17-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1224055-17-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,4,0,5 and 5 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1224055-17:
(9*1)+(8*2)+(7*2)+(6*4)+(5*0)+(4*5)+(3*5)+(2*1)+(1*7)=107
107 % 10 = 7
So 1224055-17-7 is a valid CAS Registry Number.