284035-28-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 284035-28-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,4,0,3 and 5 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 284035-28:
(8*2)+(7*8)+(6*4)+(5*0)+(4*3)+(3*5)+(2*2)+(1*8)=135
135 % 10 = 5
So 284035-28-5 is a valid CAS Registry Number.