75115-80-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75115-80-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,1,1 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 75115-80:
(7*7)+(6*5)+(5*1)+(4*1)+(3*5)+(2*8)+(1*0)=119
119 % 10 = 9
So 75115-80-9 is a valid CAS Registry Number.