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3-??-2-????????

3-??-2-????????
3-??-2-???????? ??? ???
?? ??:
759-05-7
???:
3-??-2-????????
???(??):
3-??-2-????????
???:
3-METHYL-2-OXOBUTYRIC ACIDDISCONTINUED
???(??):
a-Ketoisovaleric acid;α-Keto-Valine;2-oxoisovaleric acid;2-Ketoisovaleric acid;alpha-ketoisovalerate;α-Ketoisovaleric acid;Talabostat Impurity 34;ALPHA-KETOISOVALERICACID;3-methyl-2-oxo-butanoicaci;2-Oxo-3-methylbutyric acid
CBNumber:
CB1501953
???:
C5H8O3
??? ??:
116.12
MOL ??:
759-05-7.mol

3-??-2-???????? ??

???
31.5℃
?? ?
170.5℃
??
0.9968
???
1.3850
FEMA
3869 | 3-METHYL-2-OXOBUTANOIC ACID
?? ??
2-8°C
???
??(??), ?????, ???(??)? ???
??? ??
??
?? ?? (pKa)
2.57±0.54(Predicted)
??
??
??
?? ??
?? ??
?? ??
???
400.6g/L(20℃)
JECFA Number
631
LogP
-0.36
CAS ??????
759-05-7
EPA
2-Ketoisovaleric acid (759-05-7)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
HS ?? 2918300090
???? ?? KE-27599
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? GHS hazard pictograms P264, P270, P301+P312, P330, P501
??????:
P280 ????/???/???/?????? ?????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.

3-??-2-???????? C??? ??, ??, ??

??? ??

3-Methyl-2-oxobutanoic acid has a fruity aroma.

??

Reported found in banana, bread, blue and provolone cheeses, asparagus, beer and cocoa

??

ChEBI: A 2-oxo monocarboxylic acid that is the 2-oxo derivative of isovaleric acid.

3-??-2-???????? ?? ?? ? ???

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3-??-2-???????? ?? ??

???( 121)?? ??
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