869289-28-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 869289-28-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,9,2,8 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 869289-28:
(8*8)+(7*6)+(6*9)+(5*2)+(4*8)+(3*9)+(2*2)+(1*8)=241
241 % 10 = 1
So 869289-28-1 is a valid CAS Registry Number.