75719-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75719-90-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,7,1 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 75719-90:
(7*7)+(6*5)+(5*7)+(4*1)+(3*9)+(2*9)+(1*0)=163
163 % 10 = 3
So 75719-90-3 is a valid CAS Registry Number.