79409-59-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79409-59-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,4,0 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 79409-59:
(7*7)+(6*9)+(5*4)+(4*0)+(3*9)+(2*5)+(1*9)=169
169 % 10 = 9
So 79409-59-9 is a valid CAS Registry Number.