28809-60-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28809-60-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,8,0 and 9 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 28809-60:
(7*2)+(6*8)+(5*8)+(4*0)+(3*9)+(2*6)+(1*0)=141
141 % 10 = 1
So 28809-60-1 is a valid CAS Registry Number.