20079-34-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20079-34-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,0,7 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 20079-34:
(7*2)+(6*0)+(5*0)+(4*7)+(3*9)+(2*3)+(1*4)=79
79 % 10 = 9
So 20079-34-9 is a valid CAS Registry Number.