79983-00-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79983-00-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,9,8 and 3 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 79983-00:
(7*7)+(6*9)+(5*9)+(4*8)+(3*3)+(2*0)+(1*0)=189
189 % 10 = 9
So 79983-00-9 is a valid CAS Registry Number.