Estra-4,9-diene-3,17-dione(CAS: 5173-46-6)

Estra-4,9-diene-3,17-dione (CAS: 5173-46-6) is a steroid compound. It is a white solid with a molecular weight of approximately 252.38 g/mol. The compound is slightly soluble in water but soluble in organic solvents like ethanol and acetone. It is chemically stable but can undergo reactions under certain conditions, such as in the presence of light or heat.

Estra-4,9-diene-3,17-dione can be synthesized through the dehydrogenation of estrane-4,9-diene-3,17-dione using a platinum catalyst. The reaction is typically conducted under an inert atmosphere at moderate temperatures. The yield is around 85-90%, and the process can be optimized for selectivity and purity.

Estra-4,9-diene-3,17-dione (CAS: 5173-46-6) is primarily used in the pharmaceutical industry for the synthesis of progestin derivatives. It also finds applications in the production of certain polymers and in the development of sensor technologies due to its specific chemical properties.

When handling Estra-4,9-diene-3,17-dione (CAS: 5173-46-6), it is important to wear appropriate personal protective equipment (PPE), including gloves and safety glasses. Handle the compound in a well-ventilated fume hood to avoid inhalation. Store it in a cool, dry place away from direct sunlight and heat sources. In case of a spill, immediately clean up the area and follow the safety data sheet (SDS) guidelines for disposal.