75080-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75080-74-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,0,8 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 75080-74:
(7*7)+(6*5)+(5*0)+(4*8)+(3*0)+(2*7)+(1*4)=129
129 % 10 = 9
So 75080-74-9 is a valid CAS Registry Number.