194718-39-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 194718-39-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,7,1 and 8 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 194718-39:
(8*1)+(7*9)+(6*4)+(5*7)+(4*1)+(3*8)+(2*3)+(1*9)=173
173 % 10 = 3
So 194718-39-3 is a valid CAS Registry Number.