22344-76-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22344-76-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,3,4 and 4 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 22344-76:
(7*2)+(6*2)+(5*3)+(4*4)+(3*4)+(2*7)+(1*6)=89
89 % 10 = 9
So 22344-76-9 is a valid CAS Registry Number.