1242011-03-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1242011-03-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,2,0,1 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1242011-03:
(9*1)+(8*2)+(7*4)+(6*2)+(5*0)+(4*1)+(3*1)+(2*0)+(1*3)=75
75 % 10 = 5
So 1242011-03-5 is a valid CAS Registry Number.