75104-65-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75104-65-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,1,0 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 75104-65:
(7*7)+(6*5)+(5*1)+(4*0)+(3*4)+(2*6)+(1*5)=113
113 % 10 = 3
So 75104-65-3 is a valid CAS Registry Number.