A natural aldohexose
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Isomer(s)
39233D-(−)-Tagatose 34049L-Gulose
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Product Categories

Product Type

Biochemicals

Research Area

Endocrinology & Metabolism
Carbohydrate Metabolism

D-Galactose

Item No. 20890

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
(2R,3S,4S,5R)-2,3,4,5,6-pentahydroxyhexanal
CAS Number
59-23-4
Synonyms
  • D-(+)-Galactose
Molecular Formula
C6H12O6
Formula Weight
180.2
Purity
≥95%
Formulation (Request formulation change)
A crystalline solid
Solubility(Learn about Variance in Solubility)
DMF: 20 mg/mlDMSO: 20 mg/mlEthanol: 1 mg/mlPBS (pH 7.2): 10 mg/ml
λmax
260 nm
SMILES
OC[C@@H](O)[C@H](O)[C@H](O)[C@@H](O)C=O
InChi Code
InChI=1S/C6H12O6/c7-1-3(9)5(11)6(12)4(10)2-8/h1,3-6,8-12H,2H2/t3-,4+,5+,6-/m0/s1
InChi Key
GZCGUPFRVQAUEE-KCDKBNATSA-N
Shipping & Storage Information
Storage
Room temperature
Shipping
Room temperature in continental US; may vary elsewhere
Certificates of Analysis & Batch Specific Data

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    100 g

    $41

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    250 g

    $80

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    500 g

    $148

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    1 kg

    $255

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    Product Description

    D-Galactose is a natural aldohexose and C-4 epimer of glucose. D-galactose is converted enzymatically into D-glucose for metabolism or polysaccharides for storage. Chronic, systemic exposure to D-galactose accelerates senescence in invertebrates and mammals and has been used as a model for aging.1 In bacteria, D-galactose is imported by a methyl-galactoside transport system to drive chemotaxis.2

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Cui, X., Zuo, P., Zhang, Q., et al. Chronic systemic D-galactose exposure induces memory loss, neurodegeneration, and oxidative damage in mice: Protective effects of R-α-lipoic acid. J. Neurosci. Res. 84(3), 647-654 (2006).

    2. Borrok, M.J., Kiessling, L.L., and Forest, K.T. Conformational changes of glucose/galactose-binding protein illuminated by open, unliganded, and ultra-high-resolution ligand-bound structures. Protein Sci. 16(6), 1032-1041 (2007).