28890-29-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28890-29-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,8,9 and 0 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 28890-29:
(7*2)+(6*8)+(5*8)+(4*9)+(3*0)+(2*2)+(1*9)=151
151 % 10 = 1
So 28890-29-1 is a valid CAS Registry Number.