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A2795

Sigma-Aldrich

N-Acetyl-D-galactosamine

≥98% (HPLC)

Synonym(s):

2-Acetamido-2-deoxy-D-galactose, D-GalNAc, N-Acetylchondrosamine

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About This Item

Empirical Formula (Hill Notation):
C8H15NO6
CAS Number:
1811-31-0
Molecular Weight:
221.21
Beilstein:
2331340
EC Number:
217-321-9
MDL number:
MFCD00065372
UNSPSC Code:
12352201
PubChem Substance ID:
24890693
NACRES:
NA.25

Quality Level

300

Assay

≥98% (HPLC)

form

powder

technique(s)

HPLC: suitable

color

white

mp

160 °C

solubility

water: 50 mg/mL, clear, colorless

storage temp.

2-8°C

SMILES string

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

InChI

1S/C8H15NO6/c1-3(11)9-5-7(13)6(12)4(2-10)15-8(5)14/h4-8,10,12-14H,2H2,1H3,(H,9,11)/t4-,5-,6+,7-,8?/m1/s1

InChI key

OVRNDRQMDRJTHS-KEWYIRBNSA-N

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General description

N-Acetyl-D-galactosamine (GalNAc), an amino sugar, is a component of many O-linked and N-linked glycan structures. As uridine diphosphate (UDP)-GalNAc, GalNAc is the initial O-linked sugar to many serine and threonine residues in protein glycosylations.

Application

N-Acetyl-D-galactosamine has been used:
  • as a Dolichos biflorus agglutinin (DBA) haptenic sugar in lectin bead binding assay
  • to assess the specificity of lectin binding using lectin blot inhibition
  • in immunohistochemistry to pre-adsorb Wisteria floribunda lectin

N-Acetyl-D-galactosamine (GalNAc), an aminosugar, is a component of many O-linked and N-linked glycan structures. As UDP-GalNAc, GalNAc is the intial O-linked sugar to many serine and threonine residues in protein glycosylations.

Other Notes

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

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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O-GalNAc glycosylation of proteins confers essential structural, protective and signaling roles in eumetazoans. Addition of O-glycans onto proteins is an extremely complex process that regulates both sites of attachment and the types of oligosaccharides added. Twenty distinct polypeptide GalNAc-transferases (GalNAc-Ts)
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