In ELISAs, this antibody does not cross-react with recombinant human (rh) IL-1 beta, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11, -12, -13, rmIL-1 alpha, -1 beta, -3, -4, -5, -6, -7, -9, or -13. Reconstitute at 0.5 mg/mL in sterile PBS. Endoxin level is <0.