104497-68-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104497-68-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,4,9 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 104497-68:
(8*1)+(7*0)+(6*4)+(5*4)+(4*9)+(3*7)+(2*6)+(1*8)=129
129 % 10 = 9
So 104497-68-9 is a valid CAS Registry Number.