143517-16-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143517-16-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,5,1 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 143517-16:
(8*1)+(7*4)+(6*3)+(5*5)+(4*1)+(3*7)+(2*1)+(1*6)=112
112 % 10 = 2
So 143517-16-2 is a valid CAS Registry Number.