704909-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 704909-73-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,0,4,9,0 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 704909-73:
(8*7)+(7*0)+(6*4)+(5*9)+(4*0)+(3*9)+(2*7)+(1*3)=169
169 % 10 = 9
So 704909-73-9 is a valid CAS Registry Number.