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Merck

48260

D-(+)-ガラクトース

suitable for microbiology, ≥99.0%

別名:

ガラクトース

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この商品について

実験式(ヒル表記法):
C6H12O6
CAS番号:
分子量:
180.16
UNSPSC Code:
41106212
NACRES:
NA.85
PubChem Substance ID:
EC Number:
200-416-4
Beilstein/REAXYS Number:
1724619
MDL number:
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InChI key

GZCGUPFRVQAUEE-KCDKBNATSA-N

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

SMILES string

OC[C@@H](O)[C@H](O)[C@H](O)[C@@H](O)C=O

assay

≥99.0% (sum of enantiomers, HPLC), ≥99.0%

form

powder

optical activity

[α]20/D +80±1°, 24 hr, c = 5% in H2O

ign. residue

≤0.1% (as SO4)

loss

≤0.1% loss on drying

mp

167-170 °C (dec.), 168-170 °C (lit.)

solubility

H2O: 0.1 g/mL, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤50 mg/kg

cation traces

As: ≤0.1 mg/kg, Ca: ≤20 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, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

application(s)

microbiology

Quality Level

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General description

Galactose, a member of a group of carbohydrates known as simple sugars (monosaccharides). It is usually found in nature combined with other sugars, as, for example, in lactose (milk sugar). Galactose is also found in complex carbohydrates (see polysaccharide) and in carbohydrate-containing lipids called glycolipids. It is used as a source of carbon and contributes to energy metabolism via its conversion to glucose by the enzymes that constitute the Leloir pathway. It is used in various media for the cultivation of bacteria and fungi. The metabolic steps of D-galactose utilization are catalysed by the GalK (galactokinase), GalT (galactose 1-phosphateuridylyl transferase), and GalE (UDP-galactose-4-epimerase) proteins.

Application

Galactose can be used as a carbohydrate source for diverse organisms for example lactobacilli, coliforms, Salmonella and streptococci. It is a simple monosaccharide that serves as an energy and carbon source for the cultivation of various of bacteria, fungi and yeasts in many industries such as food, pharmaceuticals and cosmetics

保管分類

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


適用法令

試験研究用途を考慮した関連法令を主に挙げております。化学物質以外については、一部の情報のみ提供しています。 製品を安全かつ合法的に使用することは、使用者の義務です。最新情報により修正される場合があります。WEBの反映には時間を要することがあるため、適宜SDSをご参照ください。

48260-500G-F: + 48260-BULK-F: + 48260-100G-F: + 48260-VAR-F: + 48260-25G-F:

jan


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文書ライブラリにアクセスする

Alexandra Menna et al.
Bio-protocol, 10(5), e3546-e3546 (2021-03-05)
The plant cell wall is a complex network of polysaccharides and proteins that provides strength and structural integrity to plant cells, as well as playing a vital role in growth, development, and defense response. Cell wall polysaccharides can be broadly
Lucia Pažitná et al.
Journal of biotechnology, 314-315, 34-40 (2020-04-17)
Glycosylation of therapeutic glycoproteins significantly affects their physico-chemical properties, bioactivity and immunogenicity. The determination of glycan composition is highly important regarding their development and production. Therefore, there is a demand for analytical techniques enabling rapid and reliable glycoprofiling of therapeutic
Vidhya Bharathi et al.
Bio-protocol, 7(15), e2440-e2440 (2017-08-05)
The yeast Saccharomyces cerevisiae (S. cerevisiae) harboring ade1 or ade2 mutations manifest red colony color phenotype on rich yeast medium YPD. In these mutants, intermediate metabolites of adenine biosynthesis pathway are accumulated. Accumulated intermediates, in the presence of reduced glutathione
Michelle P Christie et al.
PloS one, 9(4), e95024-e95024 (2014-04-17)
Glycosylation of biopharmaceuticals can mediate cell specific delivery by targeting carbohydrate receptors. Additionally, glycosylation can improve the physico-chemical (drug-like) properties of peptide based drug candidates. The main purpose of this study was to examine if glycosylation of the peptide enkephalin
Lu Han et al.
Biomaterials, 44, 111-121 (2015-01-27)
Multifunctional nanocomplexes (NCs) consisting of urocanic acid-modified galactosylated trimethyl chitosan (UA-GT) conjugates as polymeric vectors, poly(allylamine hydrochloride)-citraconic anhydride (PAH-Cit) as charge-reversible crosslinkers, and vascular endothelial growth factor (VEGF) siRNA as therapeutic genes, were rationally designed to simultaneously overcome the extracellular

資料

Culture media provides a habitat with suitable nutrients, energy sources, and certain environmental conditions for the growth of microorganisms. The components of the culture media range from simple sugars to peptones, salts, antibiotics, and complex indicators.

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