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CAS 1236-09-5

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Pregn-5-ene-3,20-dione

Description:
Pregn-5-ene-3,20-dione, commonly known as progesterone, is a steroid hormone that plays a crucial role in the menstrual cycle, pregnancy, and embryogenesis in humans and other species. It is characterized by its structure, which includes a steroid backbone with a double bond at the 5-position and keto groups at the 3 and 20 positions. This compound is a white crystalline solid that is practically insoluble in water but soluble in organic solvents such as ethanol and chloroform. Progesterone is synthesized in the ovaries, placenta, and adrenal glands and is vital for regulating various physiological processes, including the preparation of the endometrium for potential implantation of an embryo. It also has significant implications in reproductive health and is used in various medical applications, including hormone replacement therapy and contraceptives. The CAS number 1236-09-5 uniquely identifies this compound in chemical databases, facilitating its study and application in both research and clinical settings.
Formula:C21H30O2
InChI:InChI=1S/C21H30O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h4,16-19H,5-12H2,1-3H3/t16-,17+,18-,19-,20-,21+/m0/s1
InChI key:InChIKey=MNRHZPCIEGLWGK-LEKSSAKUSA-N
SMILES:C[C@@]12[C@@]3([C@]([C@]4([C@](C)(CC3)[C@@H](C(C)=O)CC4)[H])(CC=C1CC(=O)CC2)[H])[H]
Synonyms:
  • Δ5-Progesterone
  • NSC 12875
  • Pregn-5-ene-3,20-dione
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