1428143-44-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1428143-44-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,1,4 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1428143-44:
(9*1)+(8*4)+(7*2)+(6*8)+(5*1)+(4*4)+(3*3)+(2*4)+(1*4)=145
145 % 10 = 5
So 1428143-44-5 is a valid CAS Registry Number.