75633-80-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75633-80-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,6,3 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 75633-80:
(7*7)+(6*5)+(5*6)+(4*3)+(3*3)+(2*8)+(1*0)=146
146 % 10 = 6
So 75633-80-6 is a valid CAS Registry Number.