79533-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79533-55-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,5,3 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 79533-55:
(7*7)+(6*9)+(5*5)+(4*3)+(3*3)+(2*5)+(1*5)=164
164 % 10 = 4
So 79533-55-4 is a valid CAS Registry Number.