99957-90-1

99957-90-1 structure
99957-90-1 structure
  • Name: Org30958
  • Chemical Name: (8S,9S,10S,13S,14S)-10-[(ethyldisulfanyl)methyl]-13-methyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17-dione
  • CAS Number: 99957-90-1
  • Molecular Formula: C21H30O2S2
  • Molecular Weight: 378.59200
  • Catalog: Research Areas Metabolic Disease
  • Create Date: 2017-08-11 22:28:25
  • Modify Date: 2025-08-27 11:06:24
  • Org30958 is a potent aromatase inhibitor in vivo.

Name (8S,9S,10S,13S,14S)-10-[(ethyldisulfanyl)methyl]-13-methyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17-dione
Synonyms Org30958
Description Org30958 is a potent aromatase inhibitor in vivo.
Related Catalog
Target

Aromatase[1]

In Vivo Besides inhibition of cornification of vaginal epithelium Org30958 (ORG 30958) decreases ovarian aromatase and plasma E2 levels in DHEAS-treated hypophysectomized rats. Plasma estradiol levels are also lowered by Org30958 in dogs which are treated with pregnant mare serum gonadotrophin in order to induce pro-estrus. Org30958 displays much less than 1/400th of the androgenic activity of testosterone propionate in immature castrated rats and appears to be devoid of estrogenic and anti-estrogenic activity in ovariectomized mature rats. A twice daily dose of 1.5 mg Org30958/kg postpones ovulation in mature female rats[1].
References

[1]. Geelen JA, et al. Selection of 19-(ethyldithio)-androst-4-ene-3,17-dione (ORG 30958): a potent aromatase inhibitor in vivo. J Steroid Biochem Mol Biol. 1991 Feb;38(2):181-8.

Density 1.19g/cm3
Boiling Point 532.1ºC at 760 mmHg
Molecular Formula C21H30O2S2
Molecular Weight 378.59200
Flash Point 220.9ºC
Exact Mass 378.16900
PSA 84.74000
LogP 5.46880
Index of Refraction 1.592
Hazard Codes Xi
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