1224156-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1224156-53-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,4,1,5 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1224156-53:
(9*1)+(8*2)+(7*2)+(6*4)+(5*1)+(4*5)+(3*6)+(2*5)+(1*3)=119
119 % 10 = 9
So 1224156-53-9 is a valid CAS Registry Number.