22541-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22541-28-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,5,4 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 22541-28:
(7*2)+(6*2)+(5*5)+(4*4)+(3*1)+(2*2)+(1*8)=82
82 % 10 = 2
So 22541-28-2 is a valid CAS Registry Number.