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.

13-Ethyl-17-Hydroxy-18,19-Dinorpregna-4,9,11-Trien-20-Yn-3-One 3-Oxime CAS NO 82332-21-6

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CAS No.:82332-21-6

Grade:Pharmacy Grade

Content:99.90%

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10-Acetoxy-17-Hydroxy-17-Ethinylestr-4-En-3-One CAS NO 82683-45-2

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CAS No.:82683-45-2

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Content:99.90%

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Estra-1,3,5(10)-Triene-3,17Beta-Diol Bis(Benzenepropionate) CAS NO 83968-50-7

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CAS No.:83968-50-7

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Zk-90055 (Hydrochloride) CAS NO 84638-81-3

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CAS No.:84638-81-3

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21-Amino-17-Hydroxyprogesterone Hydrochloride CAS NO 84869-30-7

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CAS No.:84869-30-7

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16-Methylprogesterone CAS NO 85027-24-3

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CAS No.:85027-24-3

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Content:99.90%

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17Beta-(Cyclopentyloxy)Estra-1,3,5(10)-Trien-3-Ol CAS NO 85391-72-6

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CAS No.:85391-72-6

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Content:99.90%

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Chlorsuperlutin CAS NO 6799-23-1

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CAS No.:6799-23-1

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Content:99.90%

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