28469-30-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28469-30-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,4,6 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 28469-30:
(7*2)+(6*8)+(5*4)+(4*6)+(3*9)+(2*3)+(1*0)=139
139 % 10 = 9
So 28469-30-9 is a valid CAS Registry Number.