143359-97-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143359-97-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,3,5 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 143359-97:
(8*1)+(7*4)+(6*3)+(5*3)+(4*5)+(3*9)+(2*9)+(1*7)=141
141 % 10 = 1
So 143359-97-1 is a valid CAS Registry Number.