197567-43-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197567-43-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,5,6 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 197567-43:
(8*1)+(7*9)+(6*7)+(5*5)+(4*6)+(3*7)+(2*4)+(1*3)=194
194 % 10 = 4
So 197567-43-4 is a valid CAS Registry Number.