Org30958

Modify Date: 2025-08-27 11:06:24

Org30958 Structure
Org30958 structure
Common Name Org30958
CAS Number 99957-90-1 Molecular Weight 378.59200
Density 1.19g/cm3 Boiling Point 532.1ºC at 760 mmHg
Molecular Formula C21H30O2S2 Melting Point N/A
MSDS N/A Flash Point 220.9ºC

 Use of Org30958


Org30958 is a potent aromatase inhibitor in vivo.

 Names

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
Synonym More Synonyms

 Org30958 Biological Activity

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.

 Chemical & Physical Properties

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

 Safety Information

Hazard Codes Xi

 Synonyms

Org30958
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