1428343-16-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1428343-16-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,3,4 and 3 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1428343-16:
(9*1)+(8*4)+(7*2)+(6*8)+(5*3)+(4*4)+(3*3)+(2*1)+(1*6)=151
151 % 10 = 1
So 1428343-16-1 is a valid CAS Registry Number.