Purity:Purified by Protein A affinity chromatography.
Form:Supplied as a liquid in PBS, 0.09% sodium azide.
Specificity:Recognizes the beta subunit of human choriogonadotrophin (hCG). Shows strong reaction in RIA with hCG and b-hCG with some reactivity on hLH (12%) and b-hLH (34%). No reaction with hFSH, hTSH, a-hCG and a-hLH.