197143-65-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197143-65-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,1,4 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 197143-65:
(8*1)+(7*9)+(6*7)+(5*1)+(4*4)+(3*3)+(2*6)+(1*5)=160
160 % 10 = 0
So 197143-65-0 is a valid CAS Registry Number.