280575-02-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 280575-02-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,0,5,7 and 5 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 280575-02:
(8*2)+(7*8)+(6*0)+(5*5)+(4*7)+(3*5)+(2*0)+(1*2)=142
142 % 10 = 2
So 280575-02-2 is a valid CAS Registry Number.