Estrogens and Progestogens

Estrogens and Progestogens

Estrogens and progestogens are key steroid hormone APIs essential for regulating reproductive physiology, menstrual cycles, fertility, and secondary sexual characteristics. Estrogen APIs support hormone replacement therapy, menopausal symptom management, and contraceptive formulations, while progestogens regulate ovulation, maintain pregnancy, and counterbalance estrogenic effects. These hormones act through nuclear receptors to modulate gene expression, tissue differentiation, and endocrine feedback loops. Pharmaceutical formulations include oral tablets, transdermal patches, injectables, vaginal preparations, and sustained-release systems. Their therapeutic applications extend to endometriosis, abnormal uterine bleeding, polycystic ovary syndrome, and oncology. Due to their wide clinical importance, estrogens and progestogens form a major foundation of reproductive and endocrine therapeutics.

Proellex CAS NO 198414-31-2

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CAS No.:198414-31-2

Grade:Pharmacy Grade

Content:99.90%

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Stilbostemin N CAS NO 1000676-45-8

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CAS No.:1000676-45-8

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Content:99.90%

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3,17-Estradiol-3-Methylether-17-Decanoate CAS NO 1042947-85-2

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CAS No.:1042947-85-2

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Content:99.90%

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Lasofoxifene Sulfate CAS NO 1048953-96-3

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CAS No.:1048953-96-3

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Content:99.90%

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2Β-Hydroxy Medroxy Progesterone 17-Acetate CAS NO 1072923-64-8

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CAS No.:1072923-64-8

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Content:99.90%

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2Β,6Β-Dihydroxy Medroxy Progesterone 17-Acetate CAS NO 1072923-66-0

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CAS No.:1072923-66-0

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Content:99.90%

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Δ-5(6)-Norethindrone Acetate CAS NO 1175129-26-6

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CAS No.:1175129-26-6

Grade:Pharmacy Grade

Content:99.90%

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Gestodene Sulfate Sodium Salt CAS NO 1259126-61-8

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CAS No.:1259126-61-8

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Content:99.90%

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