Progesterone also known as P4 is a C-21 steroid hormone involved in the female menstrual cycle, pregnancy (supports gestation) and embryogenesis of humans and other species. Progesterone belongs to a class of hormones called progestogens, and is the major naturally occurring human progestogen.Source:SyntheticApplications: Suitable for use in ELISA. Other applications not tested.Recommended Dilution:Optimal dilutions to be determined by the researcher.Matched Pairs:Capture: P9006-10G Progesterone 11Storage and Stability:May be stored at 4°C. For long-term storage, aliquot and store at 4°C. Do not freeze. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Further dilutions can be made in assay buffer.