142024-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142024-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,0,2 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 142024-20:
(8*1)+(7*4)+(6*2)+(5*0)+(4*2)+(3*4)+(2*2)+(1*0)=72
72 % 10 = 2
So 142024-20-2 is a valid CAS Registry Number.