Wikipedia:  

N-Acetyl-D-glucosamine

N-Acetyl-beta-D-glucosamine; 2-Acetamido-D-glucose; N-ACETYLGLUCOSAMINE; 2-Acetamido-2-deoxyglucose; Acetylglucosamine; N-Acetylchitosamine; D-Glucose, 2-(acetylamino)-2-deoxy-; 2-Acetylamino-2-deoxy-D-glucose; 2-Acetamido-2-deoxy-D-glucose; D-Glucose, 2-acetamido-2-deoxy-; N-Acetyl-D-glucosamine
Molecular Formula
C8 H15 N O6
Natural Isotopic Abundance Mass
221.2078000000
Mono-Isotopic Molecular Masses
C12N14:   221.089937219
C13N14:   229.116775922
C12N15:   222.086972113
C13N15:   230.1138108149
N-Acetyl-D-glucosamine image
N-Acetyl-D-glucosamine
InCHi String:
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

isomeric SMILES:
CC(=O)N[C@@H]1[C@H]([C@@H]([C@H](O[C@H]1O)CO)O)O
canonical SMILES:
CC(=O)NC1C(C(C(OC1O)CO)O)O


IUPAC
N-[(2R,3R,4R,5S,6R)-2,4,5-trihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide

IUPAC traditional
N-[(2R,3R,4R,5S,6R)-2,4,5-trihydroxy-6-methylol-tetrahydropyran-3-yl]acetamide

IUPAC cas: IUPAC openeye
N-[(2R,3R,4R,5S,6R)-2,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-3-yl]acetamide

IUPAC systematic
N-[(2R,3R,4R,5S,6R)-2,4,5-trihydroxy-6-(hydroxymethyl)oxan-3-yl]ethanamide



PubChem Substance (SID):   85165041   166661   3440
PubChem Compound (CID):   24139
KEGG: Compound ID   C00140
CAS Registry IDs:   134-61-2   173382-53-1   7132-76-5   7512-17-6   98632-70-3
PDB Chemical Component   NAG
Miscellaneous Databases and IDs:   CHEBI 17411   EINECS 231-368-2   NSC 524344   NSC 400525

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.