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21-???????????

21-???????????
21-??????????? ??? ???
?? ??:
805-14-1
???:
21-???????????
???(??):
21-???????????
???:
21-Dehydro Isoflupredone
???(??):
21-Dehydro Isoflupredone;Isoflupredone Acetate Impurity 2;Pregna-1,4-dien-21-ol, 9-fluoro-11β,17-dihydroxy-3,20-dioxo- (8CI)
CBNumber:
CB22652421
???:
C21H25FO5
??? ??:
376.4186032
MOL ??:
805-14-1.mol

21-??????????? ??

???
>189°C (dec.)
?? ?
536.1±50.0 °C(Predicted)
??
1.34±0.1 g/cm3(Predicted)
?? ??
Hygroscopic, Refrigerator, under inert atmosphere
???
DMSO(?? ???), ???(?? ???, ?????)
?? ?? (pKa)
11.57±0.70(Predicted)
??? ??
??
??? ??
??? ??
??
???? ?????
???
???

??

21-??????????? C??? ??, ??, ??

??

21-Dehydro Isoflupredone is an impurity of Isoflupredone (I816600), an anti-inflammatory steroid.

21-??????????? ?? ?? ? ???

???

?? ??


21-??????????? ?? ??

???( 6)?? ??
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