28239-75-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28239-75-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,2,3 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 28239-75:
(7*2)+(6*8)+(5*2)+(4*3)+(3*9)+(2*7)+(1*5)=130
130 % 10 = 0
So 28239-75-0 is a valid CAS Registry Number.