723294-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 723294-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,3,2,9 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 723294-90:
(8*7)+(7*2)+(6*3)+(5*2)+(4*9)+(3*4)+(2*9)+(1*0)=164
164 % 10 = 4
So 723294-90-4 is a valid CAS Registry Number.