Chemical Name: (3bS,4aS,5aS,6R,6aR,7aS,7bS,8aS,8bS)-3b,4,4a,6,6a,7a,7b,8b,9,10-Decahydro-6-hydroxy-8b-methyl-6a-(1-methylethyl)trisoxireno[4b,5:6,7:8a,9]phenanthro[1,2-c]furan-1(3H)-one. Alternate Names: PG490
Immunosupressant
Molecular Weight:
360.40
Purity:
98% by HPLC, NMR (Conforms)
Form:
Tan solid
CAS Number:
[38748-32-2]
Formula:
C20H24O6
Application Notes:
Possesses potent immunosuppressive and anti-inflammatory activity. Irreversibly inhibits eukaryotic transcription via covalent binding to XPB, a subunit of the transcription factor TFIIH.1 Blocks transactivation of NFkappaB.2 Exhibits potent antiproliferative activity in 60 cancer cell lines (average IC50 = 12 nM) and synergizes with other anticancer agents.3 Inhibits the inflammatory response and remarkably decreases production of TNF-alpha, IL-1beta and IL-6 in a rat model of rheumatoid arthritis.4
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