103668-93-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103668-93-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,6,6 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 103668-93:
(8*1)+(7*0)+(6*3)+(5*6)+(4*6)+(3*8)+(2*9)+(1*3)=125
125 % 10 = 5
So 103668-93-5 is a valid CAS Registry Number.