197242-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197242-04-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,2,4 and 2 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 197242-04:
(8*1)+(7*9)+(6*7)+(5*2)+(4*4)+(3*2)+(2*0)+(1*4)=149
149 % 10 = 9
So 197242-04-9 is a valid CAS Registry Number.