17-beta-estradiol (E2) is produced by the placenta and the ovary. It has a molecular weight of 272.4 Da and is a C18 steroid hormone which is in equilibrium with estrone and it can be converted to estriol by the liver or the placenta.

ELISA kit information:

• Reactivity: Human
• Sample Type: Serum, Plasma
• Sensitivity: 5.0 pg/ml
• Target: 17 Beta Estradiol E2, 17β-Estradiol E2, 17-Beta Estradiol E2