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.

17Alpha-Acetoxy-16-Methylene-Pregn-4-En-3,20-Dione CAS NO 6815-51-6

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CAS No.:6815-51-6

Grade:Pharmacy Grade

Content:99.90%

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Indanestrol CAS NO 71855-45-3

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CAS No.:71855-45-3

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Content:99.90%

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Estra-1,3,5(10)-Triene-3,17Beta-Diol 17-(10-Undecenoate) CAS NO 85702-61-0

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CAS No.:85702-61-0

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Content:99.90%

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13-Ethyl-17Alpha-Hydroxy-18,19-Dinorpregn-4-En-20-Yn-3-One Butyrate CAS NO 86679-33-6

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CAS No.:86679-33-6

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Content:99.90%

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13-Ethyl-17Alpha-Hydroxy-18,19-Dinorpregn-4-En-20-Yn-3-One Cyclobutanecarboxylate CAS NO 86679-36-9

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CAS No.:86679-36-9

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Norethindrone Isonicotinyl Hydrazone CAS NO 86762-75-6

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CAS No.:86762-75-6

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Content:99.90%

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Thymine-Hydroxyprogesterone CAS NO 87536-00-3

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CAS No.:87536-00-3

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Content:99.90%

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Mespirenone CAS NO 87952-98-5

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CAS No.:87952-98-5

Grade:Pharmacy Grade

Content:99.90%

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