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4-NITROPHENYL-ALPHA-D-GALACTOPYRANOSIDE

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4-NITROPHENYL-ALPHA-D-GALACTOPYRANOSIDE Basic information
4-NITROPHENYL-ALPHA-D-GALACTOPYRANOSIDE Chemical Properties
  • Melting point:166-169 °C
  • Boiling point:582.2±50.0 °C(Predicted)
  • Density 1.599±0.06 g/cm3(Predicted)
  • refractive index 239 ° (C=1, H2O)
  • storage temp. -20°C
  • pka12.55±0.70(Predicted)
  • BRN 92214
  • InChIKeyIFBHRQDFSNCLOZ-IIRVCBMXSA-N
  • CAS DataBase Reference7493-95-0(CAS DataBase Reference)
Safety Information
MSDS
4-NITROPHENYL-ALPHA-D-GALACTOPYRANOSIDE Usage And Synthesis
  • Chemical PropertiesOff-White Crystalline Solid
  • DefinitionChEBI: An alpha-D-galactopyranoside having a 4-nitrophenyl substituent at the anomeric position.
  • Purification MethodsPurify 4-nitrophenyl--D-galactopyranoside by recrystallisation from H2O or aqueous EtOH. The monohydrate has m 85o which resolidifies and melts again at 151-152o (the hemihydrate), then resolidifies again and melts at 173o to give the anhydrous form. Drying the monohydrate at 60o yields the hemihydrate, and drying at 100o gives the anhydrous compound. The tetraacetate has m 147o after drying at 100o. [Jermyn Aust J Chem 15 569 1962, Helfreich & Jung Justus Liebigs Ann Chem 589 77 1954.] It is a substrate for galactosidase [Dangelmaier & Holmsen Anal Biochem 104 182 1980]. [Beilstein 17/7 V 55.]
4-NITROPHENYL-ALPHA-D-GALACTOPYRANOSIDE Preparation Products And Raw materials
4-NITROPHENYL-ALPHA-D-GALACTOPYRANOSIDE(7493-95-0)Related Product Information
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