79040-34-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79040-34-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,0,4 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 79040-34:
(7*7)+(6*9)+(5*0)+(4*4)+(3*0)+(2*3)+(1*4)=129
129 % 10 = 9
So 79040-34-9 is a valid CAS Registry Number.