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Merck
CN

48259

D -(+)-半乳糖

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

别名:

半乳糖

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关于此项目

经验公式(希尔记法):
C6H12O6
化学文摘社编号:
分子量:
180.16
EC Number:
200-416-4
UNSPSC Code:
12352201
PubChem Substance ID:
Beilstein/REAXYS Number:
1724619
MDL number:
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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: 1 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

SMILES string

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

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

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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.

Other Notes

Specifically inhibits agglutination of mouse spleen lymphocytes by soybean agglutinin

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

法规信息

涉药品监管产品

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分析证书(COA)

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A Novogrodsky et al.
Proceedings of the National Academy of Sciences of the United States of America, 70(9), 2515-2518 (1973-09-01)
Transformation of mouse-spleen lymphocytes in the presence of soybean agglutinin is markedly enhanced after their treatment with neuraminidase (EC 3.2.1.18). Incubation of the cells with the enzyme also facilitates their agglutination by the lectin. The soybean agglutinin-induced agglutination and transformation
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
L Mortimer et al.
Mucosal immunology, 7(4), 829-841 (2013-11-21)
Entamoeba histolytica (Eh) is an extracellular protozoan parasite of the human colon, which occasionally breaches the intestinal barrier. Eradicating ameba that invades is essential for host survival. A defining but uncharacterized feature of amebic invasion is direct contact between ameba
V Lollivier et al.
Journal of dairy science, 98(12), 8775-8787 (2015-09-21)
It has been previously shown that the long-term inhibition of milking-induced prolactin (PRL) release by quinagolide (QN), a dopamine agonist, reduces milk yield in dairy cows. To further demonstrate that PRL is galactopoietic in cows, we performed a short-term experiment

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