28877-93-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28877-93-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,8,7 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 28877-93:
(7*2)+(6*8)+(5*8)+(4*7)+(3*7)+(2*9)+(1*3)=172
172 % 10 = 2
So 28877-93-2 is a valid CAS Registry Number.