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5-??-4-?????????

5-??-4-?????????
5-??-4-????????? ??? ???
?? ??:
42831-50-5
???:
5-??-4-?????????
???(??):
5-??-4-?????????
???:
5-Methyl-4-isoxazolecarboxylic acid
???(??):
5-METHYLISOXAZOLE-4-CARBOXYLIC ACID;TIMTEC-BB SBB005909;Leflunomide Impurity D;Lefluonamide Impurity D;LeflunoMide EP IMpurity D;Leflunomide impurities1343;Methylisoxazole-4-carboxylic;5-Methyl-4-isoxazolecarboxyl;5-METHYLISOXAZOLE-4-CARBOXYLIC;5-methylisoxazole-4-formic acid
CBNumber:
CB8342928
???:
C5H5NO3
??? ??:
127.1
MOL ??:
42831-50-5.mol
MSDS ??:
SDS

5-??-4-????????? ??

???
144-148 °C(lit.)
?? ?
308.3±22.0 °C(Predicted)
??
1.348±0.06 g/cm3(Predicted)
?? ??
Sealed in dry,Room Temperature
???
DMSO(?? ???), ???(?? ???)
??? ??
??
??? ??
??? ??
?? ?? (pKa)
2.85±0.25(Predicted)
??
???? ?? ????
BRN
116000
CAS ??????
42831-50-5(CAS DataBase Reference)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi,F
?? ???? ?? 36/37/38-37/38-36-10
????? 22-26-36/37/39-36-16
WGK ?? 3
?? ?? IRRITANT
HS ?? 29349990
????(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 ??·?·??·???·??·...·????? ??? ????.
P304+P340 ???? ??? ??? ?? ??? ??? ???? ?? ??? ??? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P405 ???? ?????.
NFPA 704
0
2 0

5-??-4-????????? C??? ??, ??, ??

??? ??

Cream to brown Solid

5-??-4-????????? ?? ?? ? ???

???

?? ??

4-Isoxazolecarboxamide, N-(4-aminophenyl)-5-methyl- 3-????????,4-???-5-??-(9CI)

5-??-4-????????? ?? ??

???( 448)?? ??
??? ?? ??? ?? ?? ? ??
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