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.

17-Ethynyl-18-Methylestra-5(10),9(11)-Dien-17-Ol-3-One CAS NO 4412-59-3

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CAS No.:4412-59-3

Grade:Pharmacy Grade

Content:99.90%

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17-Hydroxypregn-4-Ene-3,20-Dione 17-Heptanoate CAS NO 4596-16-1

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CAS No.:4596-16-1

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Content:99.90%

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17A-Ethynylestriol CAS NO 4717-40-2

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CAS No.:4717-40-2

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Content:99.90%

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Hexestrol Dipropionate CAS NO 4825-53-0

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CAS No.:4825-53-0

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Content:99.90%

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Estra-1,3,5(10)-Triene-3,17Beta-Diol 17-Acetate 3-Benzoate CAS NO 4954-17-0

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CAS No.:4954-17-0

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Content:99.90%

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Oestradiol 17-Heptanoate CAS NO 4956-37-0

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CAS No.:4956-37-0

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Content:99.90%

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Gestrinonemethylnorgestrienone CAS NO 40542-65-2

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CAS No.:40542-65-2

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Content:99.90%

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4,7-Dimethoxy-Α-[2-(4-Hydroxyphenyl)Ethyl]-6-[2-(1-Pyrrolidinyl)Ethoxy]-5-Benzofuranmethanol CAS NO 40681-00-3

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CAS No.:40681-00-3

Grade:Pharmacy Grade

Content:99.90%

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