284050-05-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 284050-05-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,4,0,5 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 284050-05:
(8*2)+(7*8)+(6*4)+(5*0)+(4*5)+(3*0)+(2*0)+(1*5)=121
121 % 10 = 1
So 284050-05-1 is a valid CAS Registry Number.