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юридически?услуги
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Changzhou progesterone
Progesterone
57-83-0
Progesterone is a female sex hormone that plays an important physiological role to regularize and rebuild changes to the body caused by estrogen as well as in the luteal phase of the menstrual cycle. Its levels vary during the menstrual cycle. If fertilization occures, it is produced during pregnancy by the placenta to prevent spontaneous abortion. If fertilization does not take place, the production of progesterone decreases and menstruation occurs. It is the hormone for the mammary glands of milk production. Progesterone is a steroid hormone consists chemically of four fused hydrocarbons containing the functional groups of ketone and aldehyde and two methyl branches. It is used as an intermediate in the biosynthesis of androgens, estrogens, and the corticoids. Synthetic compounds with progesterone are used in the prevention of miscarriage, in the treatment of menstrual disorders. It is also used to develop a constituent of some oral contraceptives.
Appearance: white to off-white crystalline powder
Assay: 97.0 - 102.0%
Loss on drying: 0.5% max
Specific rotation: 175 ~ +183'C
Formula: C21H30O2
Industrial field pharmaceutical
Changzhou Medical Raw Material Factory
Phone 86-519-8930813
Fax 86-519-8736500
Homepage www.jiaerke.com
E-mail lhq@jiaerke.com
Address Zhenglu Town,Changzhou,Jiangsu,P.R.China
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