Factor B-IN-8 (Compound (3R ,4R )-15) is a potent, selective and orally active factor B inhibitor with an IC50 of 10.2 nM. Factor B-IN-8 can effectively inhibit the binding of factor B to C3b and the subsequent formation of C3 convertase (C3bBb). Factor B-IN-8 can inhibit the deposition of membrane attack complex (MAC) mediated by alternativepathway with an IC50 of 59.3 nM. Factor B-IN-8 can reduce the cleavage of factor B protein and decrease the deposition of complement C3d in the glomeruli and renal tubules. Factor B-IN-8 can be used for researches of arthritis and paroxysmal nocturnal hemoglobinuria (PNH).

Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months.
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.