22502-84-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22502-84-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,5,0 and 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 22502-84:
(7*2)+(6*2)+(5*5)+(4*0)+(3*2)+(2*8)+(1*4)=77
77 % 10 = 7
So 22502-84-7 is a valid CAS Registry Number.