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.

19-Norethindrone Acetate CAS NO 51-98-9

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CAS No.:51-98-9

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Lynestrenol CAS NO 52-76-6

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CAS No.:52-76-6

Grade:Pharmacy Grade

Content:99.90%

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5 Alpha-Dihydronorethindrone CAS NO 52-79-9

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CAS No.:52-79-9

Grade:Pharmacy Grade

Content:99.90%

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Estrone CAS NO 53-16-7

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CAS No.:53-16-7

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Content:99.90%

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17-Desoxyestradiol CAS NO 53-63-4

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CAS No.:53-63-4

Grade:Pharmacy Grade

Content:99.90%

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Diethylstilbestrol CAS NO 56-53-1

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CAS No.:56-53-1

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Content:99.90%

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Ethinyl Estradiol CAS NO 57-63-6

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CAS No.:57-63-6

Grade:Pharmacy Grade

Content:99.90%

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Progesterone CAS NO 57-83-0

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CAS No.:57-83-0

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

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