103394-97-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103394-97-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,3,9 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 103394-97:
(8*1)+(7*0)+(6*3)+(5*3)+(4*9)+(3*4)+(2*9)+(1*7)=114
114 % 10 = 4
So 103394-97-4 is a valid CAS Registry Number.