75719-92-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75719-92-5 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 2 respectively.
Calculate Digit Verification of CAS Registry Number 75719-92:
(7*7)+(6*5)+(5*7)+(4*1)+(3*9)+(2*9)+(1*2)=165
165 % 10 = 5
So 75719-92-5 is a valid CAS Registry Number.