28900-25-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28900-25-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,9,0 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 28900-25:
(7*2)+(6*8)+(5*9)+(4*0)+(3*0)+(2*2)+(1*5)=116
116 % 10 = 6
So 28900-25-6 is a valid CAS Registry Number.