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-(Acetyloxy)-6Α-Methyl-3,20-Bis(Methoxyimino)-5Β-Pregnane CAS NO 69833-58-5

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CAS No.:69833-58-5

Grade:Pharmacy Grade

Content:99.90%

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3,17Α-Dihydroxy-1,3,5(10)-Estratrien-16-One o-Methyl Oxime CAS NO 69833-59-6

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CAS No.:69833-59-6

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Content:99.90%

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(17R)-1,3,5(10)-Estratriene-3,16Α,17,17-Tetrol 3,17-Diacetate CAS NO 69833-77-8

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CAS No.:69833-77-8

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Zk-192 CAS NO 686773-12-6

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CAS No.:686773-12-6

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Content:99.90%

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Estetrol 17-Acetate CAS NO 690996-23-7

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CAS No.:690996-23-7

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Medroxyprogesterone Acetate CAS NO 71-58-9

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CAS No.:71-58-9

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Content:99.90%

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Dimethisterone CAS NO 79-64-1

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CAS No.:79-64-1

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Content:99.90%

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Levonorgestrel CAS NO 797-63-7

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CAS No.:797-63-7

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Content:99.90%

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