79149-45-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79149-45-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,1,4 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 79149-45:
(7*7)+(6*9)+(5*1)+(4*4)+(3*9)+(2*4)+(1*5)=164
164 % 10 = 4
So 79149-45-4 is a valid CAS Registry Number.