75813-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75813-73-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,8,1 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 75813-73:
(7*7)+(6*5)+(5*8)+(4*1)+(3*3)+(2*7)+(1*3)=149
149 % 10 = 9
So 75813-73-9 is a valid CAS Registry Number.