723298-22-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 723298-22-4 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 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 723298-22:
(8*7)+(7*2)+(6*3)+(5*2)+(4*9)+(3*8)+(2*2)+(1*2)=164
164 % 10 = 4
So 723298-22-4 is a valid CAS Registry Number.