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.

Butestrol CAS NO 5776-76-1

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CAS No.:5776-76-1

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Ethynyl Estradiol 3-Acetate CAS NO 5779-47-5

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CAS No.:5779-47-5

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Content:99.90%

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Nitromifene CAS NO 5863-35-4

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CAS No.:5863-35-4

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Content:99.90%

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18-Methylprogesterone CAS NO 5895-84-1

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CAS No.:5895-84-1

Grade:Pharmacy Grade

Content:99.90%

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1,3,5(10)-Estratrien-2,3-Diol-17-One 3-Methyl Ether CAS NO 5976-63-6

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CAS No.:5976-63-6

Grade:Pharmacy Grade

Content:99.90%

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3-Methoxy-13-Methyl-6,7,8,9,11,12,14,15,16,17-Decahydrocyclopenta[A]Phenanthrene-4,17-Diol CAS NO 5976-65-8

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CAS No.:5976-65-8

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Content:99.90%

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2-Hydroxyethynylestradiol CAS NO 50394-89-3

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CAS No.:50394-89-3

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Content:99.90%

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4-Hydroxyethynylestradiol CAS NO 50394-90-6

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CAS No.:50394-90-6

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Content:99.90%

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