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.

Trisequens CAS NO 66100-41-2

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CAS No.:66100-41-2

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Content:99.90%

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trans-Diethyl Stilbestrol Acetate CAS NO 66320-32-9

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CAS No.:66320-32-9

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17-Hydroxy-19-Nor-17Α-Pregn-4-Ene-3,20-Dione Acetate CAS NO 66964-58-7

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CAS No.:66964-58-7

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Drospirenone CAS NO 67392-87-4

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CAS No.:67392-87-4

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16Alpha-Ethyl-21-Hydroxy-19-Norpregn-4-Ene-3,20-Dione 21-Laurate CAS NO 67490-00-0

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CAS No.:67490-00-0

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6-Ketonorethindrone CAS NO 67696-78-0

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CAS No.:67696-78-0

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16Α,17Α-Epoxy-1,3,5(10)-Estratriene-3,17Β-Diol Diacetate CAS NO 69744-63-4

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CAS No.:69744-63-4

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3-Methoxy-1-Methylestra-1,3,5(10),9(11)-Tetren-17-One CAS NO 69796-63-0

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CAS No.:69796-63-0

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