181696-73-1

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181696-73-1 Structure

Identification	Back Directory
[Name] 5-METHYL-3,4-DIPHENYL-4,5-DIHYDROISOXAZOL-5-OL
[CAS] 181696-73-1
[Synonyms] Parecoxib Impurity 3 Parecoxib SodiuM IMpurity U 5-METHYL-3,4-DIPHENYL-4,5-DIHYDROISOXAZOL-5-OL 4,5-Dihydro-5-methyl-3,4-diphenyl-5-isoxazolol 5-Isoxazolol,4,5-dihydro-5-Methyl-3,4-diphenyl- (5S)-5-Methyl-3,4-diphenyl-4,5-dihydroisoxazol-5-ol
[EINECS(EC#)] 443-400-4
[Molecular Formula] C16H15NO2
[MDL Number] MFCD08693218
[MOL File] 181696-73-1.mol
[Molecular Weight] 253.3

Chemical Properties	Back Directory
[Appearance] Off-White Solid
[Boiling point ] 401℃
[density ] 1.16
[Fp ] 196℃
[storage temp. ] Sealed in dry,2-8°C
[pka] 12.97±0.60(Predicted)
[CAS DataBase Reference] 181696-73-1

Hazard Information	Back Directory
[Chemical Properties] Off-White Solid
[Uses] Intermediate for the preparation of Valdecoxib

Safety Data	Back Directory
[Symbol(GHS) ] GHS07
[Signal word ] Warning
[Hazard statements ] H302-H315-H319-H335
[Precautionary statements ] P261-P305+P351+P338

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