124017-12-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 124017-12-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,0,1 and 7 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 124017-12:
(8*1)+(7*2)+(6*4)+(5*0)+(4*1)+(3*7)+(2*1)+(1*2)=75
75 % 10 = 5
So 124017-12-5 is a valid CAS Registry Number.