Purity:Purified by Protein G affinity chromatography.
Form:Supplied as a liquid in PBS, pH 7.4. No preservative added. No stabilizing proteins added. Labeled with Biotin.
Specificity:Recognizes Cortisol-BSA conjugate and free cortisol. Does not crossreact with BSA. Crossreactivity (50% displacement of cortisol-3-125-Iodine): Cortisol: 100%; Corticosterone: 49%; 17-Hydroxyprogesterone: 0%.