197218-93-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197218-93-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,2,1 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 197218-93:
(8*1)+(7*9)+(6*7)+(5*2)+(4*1)+(3*8)+(2*9)+(1*3)=172
172 % 10 = 2
So 197218-93-2 is a valid CAS Registry Number.