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.

Almestrone CAS NO 10448-96-1

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CAS No.:10448-96-1

Grade:Pharmacy Grade

Content:99.90%

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Ent-17Α-Ethynylestra-1,3,5(10)-Trien-3,17-Diol CAS NO 10453-39-1

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CAS No.:10453-39-1

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Content:99.90%

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16-Methylene Estrone CAS NO 10506-73-7

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CAS No.:10506-73-7

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Content:99.90%

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3-Hydroxy-6-Methylestra-1,3,5(10),6-Tetren-17-One CAS NO 10506-91-9

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CAS No.:10506-91-9

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Content:99.90%

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Premarin CAS NO 12126-59-9

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CAS No.:12126-59-9

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Content:99.90%

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Dienestrol CAS NO 13029-44-2

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CAS No.:13029-44-2

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Content:99.90%

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17-Methoxypregn-4-Ene-3,20-Dione CAS NO 13254-82-5

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CAS No.:13254-82-5

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Content:99.90%

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Ethynylestradiol Diacetate CAS NO 13258-68-9

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CAS No.:13258-68-9

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Content:99.90%

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