5-(4-cyanophenoxy)-2-hydroxybenzoic acid

Name	Crisaborole Impurity
Synonyms	Crisaborole Impurity Crisaborole intermediate 5-(4-cyanophenoxy)-2-hydroxybenzoic acid 4-(3-formyl-4-hydroxyphenoxy)benzonitrile 3-[(1,3-dihydro-1-hydroxy-2,1-benzoxaborol-5-yl)oxy]Benzonitrile 4-((2,2'-diformyl-4'-(4-isocyanophenoxy)-[1,1'-biphenyl]-4-yl)oxy)benzonitrile 4-(3-(hydroxymethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)benzonitrile 4-(3-formyl-4-(3-formyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)phenoxy)benzonitrile
CAS	906673-42-5

Molecular Formula	C14H10BNO3
Molar Mass	251.05
Density	1.33±0.1 g/cm3(Predicted)
Melting Point	180-183°C
Boling Point	411.1±55.0 °C(Predicted)
Solubility	Acetonitrile (Slightly), Chloroform (Slightly), DMSO (Slightly)
Appearance	Solid
Color	White to Off-White
pKa	7.04±0.20(Predicted)
Storage Condition	-20°C Freezer, Under inert atmosphere

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