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rac-6-Fluoro-3,4-dihydro-4-oxo-2H-1-benzopyran-2-carboxylic Acid

rac-6-Fluoro-3,4-dihydro-4-oxo-2H-1-benzopyran-2-carboxylic Acid ??? ???
?? ??:
105300-40-1
???:
rac-6-Fluoro-3,4-dihydro-4-oxo-2H-1-benzopyran-2-carboxylic Acid
???(??):
Nebivolol Impurity 43;6-Fluoro-4-oxo-3,4-dihydro-2H-chromen;6-Fluoro-4-chroManone-2-carboxylic Acid;6-Fluoro-4-oxochroman-2-carboxylic acid;6-fluoro-4-oxo-3,4-dihydro-2H-chroMene-2-carboxylic acid;2H-1-Benzopyran-2-carboxylic acid, 6-fluoro-3,4-dihydro-4-oxo-;rac-6-Fluoro-3,4-dihydro-4-oxo-2H-1-benzopyran-2-carboxylic Acid;6 - Fluoro - 3,4 - dihydro- ( 2H ) -1 - benzopyram - 2 carboxylic acid;6-Fluoro-4-Oxo-3,4-Dihydro-2H-Chromane-2-Carboxylic Acid (NEBIVOLOL STEP-II);6-Fluoro-4-Oxo-3,4-Dihydro-2H_x0002_Chromane-2-Carboxylic Acid (NEBIVOLOL STEP-II)
CBNumber:
CB22509118
???:
C10H7FO4
??? ??:
210.16
MOL ??:
105300-40-1.mol

rac-6-Fluoro-3,4-dihydro-4-oxo-2H-1-benzopyran-2-carboxylic Acid ??

?? ?
427.4±45.0 °C(Predicted)
??
1.498±0.06 g/cm3(Predicted)
???
?????? ?? ???? ???
?? ?? (pKa)
2.55±0.20(Predicted)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
HS ?? 2916399090
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ?? GHS hazard pictograms
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.

rac-6-Fluoro-3,4-dihydro-4-oxo-2H-1-benzopyran-2-carboxylic Acid C??? ??, ??, ??

??

Intermediate in the preparation of hydroxylated Nebivolol metabolites.

rac-6-Fluoro-3,4-dihydro-4-oxo-2H-1-benzopyran-2-carboxylic Acid ?? ?? ? ???

???

?? ??


rac-6-Fluoro-3,4-dihydro-4-oxo-2H-1-benzopyran-2-carboxylic Acid ?? ??

???( 47)?? ??
??? ?? ??? ?? ?? ? ??
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