193408-66-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 193408-66-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,4,0 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 193408-66:
(8*1)+(7*9)+(6*3)+(5*4)+(4*0)+(3*8)+(2*6)+(1*6)=151
151 % 10 = 1
So 193408-66-1 is a valid CAS Registry Number.