93109-75-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93109-75-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,1,0 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 93109-75:
(7*9)+(6*3)+(5*1)+(4*0)+(3*9)+(2*7)+(1*5)=132
132 % 10 = 2
So 93109-75-2 is a valid CAS Registry Number.