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48259 Sigma

D-(+)-Galactose

BioUltra, ≥99.5% (sum of enantiomers, HPLC)

DOWNLOAD MSDS (PDF)

  • CAS Number 59-23-4

  • Empirical Formula (Hill Notation) C6H12O6

  • Molecular Weight 180.16

  •  Beilstein Registry Number 1724619

  •  EC Number 200-416-4

  •  MDL number MFCD00151230

  •  PubChem Substance ID 24871832

D-(+)-Galactose BioUltra, ≥99.5% (sum of enantiomers, HPLC)
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Properties

Related Categories Acacia, Agave sisalana, Allium sativum (Garlic), Aloe Vera, BioUltra,
product line   BioUltra
assay   ≥99.5% (sum of enantiomers, HPLC)
optical activity   [α]20/D +80±1°, 24 hr, c = 5% in H2O
impurities   insoluble matter, passes filter test
ign. residue   ≤0.05% (as SO4)
loss   ≤0.05% loss on drying
pH   5.0-7.0 (25 °C, 1 M in H2O)
mp   168-170 °C(lit.)
solubility   H2O: soluble1 M at 20 °C, clear, colorless
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤50 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
λ   1 M in H2O
UV absorption   λ: 260 nm Amax: 0.05
  λ: 280 nm Amax: 0.05
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Description

Other Notes

Specifically inhibits agglutination of mouse spleen lymphocytes by soybean agglutinin1

Application

D-(+)-Galactose (D-Gal) is a component with glucose of the disaccharide lactose. Galactose may be used in studies on galactose metabolism as the substrate for indentificaiton, differentiation and characterization of enzymes such as galactose oxidase(s) (GO), galactose permease(s), galactose kinase(s), and galactose phosphorylase(s). D-Gal is used in the study of Maillard glycation and its consequences in vivo.

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