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Merck

A7791

N-Acetyl-D-lactosamine

≥98% (TLC)

Synonym(s):

β-D-Gal-(1→4)-D-GlcNAc, 2-Acetamido-2-deoxy-4-O-β-D-galactopyranosyl-D-glucopyranose, LN, N-Acetyl-4-O-(β-D-galactopyranosyl)-D-glucosamine

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About This Item

Empirical Formula (Hill Notation):
C14H25NO11
CAS Number:
32181-59-2
Molecular Weight:
383.35
UNSPSC Code:
12352201
NACRES:
NA.25
PubChem Substance ID:
24891280
MDL number:
MFCD00063785
Beilstein/REAXYS Number:
96808

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Product Name

N-Acetyl-D-lactosamine, ≥98% (TLC)

InChI

1S/C14H25NO11/c1-4(18)15-7-9(20)12(6(3-17)24-13(7)23)26-14-11(22)10(21)8(19)5(2-16)25-14/h5-14,16-17,19-23H,2-3H2,1H3,(H,15,18)/t5-,6-,7-,8+,9-,10+,11-,12-,13?,14+/m1/s1

SMILES string

CC(=O)N[C@H]1C(O)O[C@H](CO)[C@@H](O[C@@H]2O[C@H](CO)[C@H](O)[C@H](O)[C@H]2O)[C@@H]1O

InChI key

KFEUJDWYNGMDBV-RPHKZZMBSA-N

assay

≥98% (TLC)

form

powder

optical activity

[α]25/D 27.5 to 33.5 °, c = 0.5% (w/v) in water

technique(s)

thin layer chromatography (TLC): suitable

impurities

≤8% water

color

white

mp

170 -185  °C ((338 - 365 °F ))

solubility

water: 50 mg/mL, clear to very slightly hazy, colorless to faintly yellow

storage temp.

−20°C

Quality Level

100

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Show Differences

1 of 4

This Item
T2144S400149536
N-Acetyl-D-lactosamine ≥98% (TLC)

Sigma-Aldrich

A7791

N-Acetyl-D-lactosamine

N,N′,N′′-Triacetylchitotriose ≥93% (HPLC)

Sigma-Aldrich

T2144

N,N′,N′′-Triacetylchitotriose

Stachyose hydrate ≥98% (HPLC)

Sigma-Aldrich

S4001

Stachyose hydrate

P1 Antigen ≥95.0% (TLC)

Sigma-Aldrich

49536

P1 Antigen

technique(s)

thin layer chromatography (TLC): suitable

technique(s)

-

technique(s)

HPLC: suitable

technique(s)

-

assay

≥98% (TLC)

assay

≥93% (HPLC)

assay

≥98% (HPLC)

assay

≥95.0% (TLC)

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

100

solubility

water: 50 mg/mL, clear to very slightly hazy, colorless to faintly yellow

solubility

water: 50 mg/mL, clear to slightly hazy, colorless to faintly yellow

solubility

water: 50 mg/mL, clear to very slightly hazy, colorless

solubility

-

form

powder

form

powder

form

powder

form

powder or crystals

storage temp.

−20°C

storage temp.

−20°C

storage temp.

-

storage temp.

−20°C

Application

N-Acetyl-D-lactosamine is used as a specific lectin target molecule in the identification and differentiation of sugar binding molecules such as the galectins. N-Acetyl-D-lactosamine is used in studies of galactosidase, fucosyltransferase, sialyltransferase, and lectin inhibition.
Useful in studies of galactosidase, fucosyltransferase, sialyltransferase, and lectin inhibition.

Other Notes

To gain a comprehensive understanding of our extensive range of Disaccharides for your research, we encourage you to visit our Carbohydrates Category page.

Preparation Note

Synthetic

Storage Class

11 - Combustible Solids

wgk

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCK1081
BCCJ2846
BCCG0659
BCCD3085
BCCB5285

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Meghan Rothenberger et al.
Journal of acquired immune deficiency syndromes (1999), 81(3), 355-360 (2019-06-14)
HIV is produced in lymphoid tissues (LT) and stored on the follicular dendritic cell network in LT. When antiretroviral therapy is started, plasma viremia decays in 2 phases; the first within days of starting therapy and the second over weeks.
Moritz Augustin et al.
PLoS computational biology, 13(6), e1005545-e1005545 (2017-06-24)
The spiking activity of single neurons can be well described by a nonlinear integrate-and-fire model that includes somatic adaptation. When exposed to fluctuating inputs sparsely coupled populations of these model neurons exhibit stochastic collective dynamics that can be effectively characterized
Paulina Sindrewicz et al.
Scientific reports, 9(1), 11851-11851 (2019-08-16)
Galectins are involved in the regulation of divergent physiological and pathological processes and are increasingly recognized to play important roles in a number of diseases. However, a simple and effective way in assessing galectin-ligand interactions is lacking. Our examination of
Cen Chen et al.
Materials science & engineering. C, Materials for biological applications, 103, 109865-109865 (2019-07-28)
Iridium (Ir) thin film was deposited on patterned titanium substrate by direct-current (DC) magnetron sputtering, and then activated in sulfuric acid (H2SO4) through repetitive potential sweeps to form iridium oxide (IrOx) as neural electrode interface. The resultant IrOx film showed
Paul Yeh et al.
Nature communications, 8, 14756-14756 (2017-03-18)
Several novel therapeutics are poised to change the natural history of chronic lymphocytic leukaemia (CLL) and the increasing use of these therapies has highlighted limitations of traditional disease monitoring methods. Here we demonstrate that circulating tumour DNA (ctDNA) is readily
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