22305-93-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22305-93-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,3,0 and 5 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 22305-93:
(7*2)+(6*2)+(5*3)+(4*0)+(3*5)+(2*9)+(1*3)=77
77 % 10 = 7
So 22305-93-7 is a valid CAS Registry Number.