872889-99-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 872889-99-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,8,8 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 872889-99:
(8*8)+(7*7)+(6*2)+(5*8)+(4*8)+(3*9)+(2*9)+(1*9)=251
251 % 10 = 1
So 872889-99-1 is a valid CAS Registry Number.