104397-93-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104397-93-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,3,9 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 104397-93:
(8*1)+(7*0)+(6*4)+(5*3)+(4*9)+(3*7)+(2*9)+(1*3)=125
125 % 10 = 5
So 104397-93-5 is a valid CAS Registry Number.