90797-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90797-75-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,7,9 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 90797-75:
(7*9)+(6*0)+(5*7)+(4*9)+(3*7)+(2*7)+(1*5)=174
174 % 10 = 4
So 90797-75-4 is a valid CAS Registry Number.