3028-59-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3028-59-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,0,2 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3028-59:
(6*3)+(5*0)+(4*2)+(3*8)+(2*5)+(1*9)=69
69 % 10 = 9
So 3028-59-9 is a valid CAS Registry Number.