English name: Progesterone
Alias: Progestin; Lutren; Lutein; Flavolutan; Corporin; Luteal hormone; 4-Pregnene-3,20-dione
Product name: Progesterone 
Molecular Structure: 

Molecular formula: C₂₁H₃₀O₂
Molecular weight: 314.47
CAS RN: 57-83-0
Properties: Melting point: 126℃-131℃ 
Optical rotation: 175°-183°
Assay:  ≥99.0%(HPLC)