Purity:Purified by Protein G affinity chromatography from ascites.
Form:Supplied as a liquid in PBS, pH 7.2. No preservative added. No stabilizing proteins added. Labeled with Biotin.
Specificity:Recognizes Cortisol-BSA conjugate and free cortisol. Does not crossreact with BSA. Contaminants (50% displacement of cortisol-3-125-Iodine): Corticosterone: 20%; 17-Hydroxyprogesterone: 0%