Wikipedia:  

D-(+)-Maltose

4-(alpha-D-Glucosido)-D-glucose; 4-(alpha-D-Glucopyranosido)-alpha-glucopyranose; Finetose; D-Maltose; MALTOSE; 4-O-alpha-D-Glucopyranosyl-D-glucose; Maltobiose; 1-alpha-D-Glucopyranosyl-4-alpha-D-glucopyranose; Sunmalt S; D-Glucose, 4-O-alpha-D-glucopyranosyl-; Malt sugar
Molecular Formula
C12 H22 O11
Natural Isotopic Abundance Mass
342.2964800000
Mono-Isotopic Molecular Masses
C12N14:   342.116211549
C13N14:   354.156469603
C12N15:   342.116211549
C13N15:   354.156469603
D-(+)-Maltose image
D-(+)-Maltose
InCHi String:
InChI=1S/C12H22O11/c13-1-3-5(15)6(16)9(19)12(22-3)23-10-4(2-14)21-11(20)8(18)7(10)17/h3-20H,1-2H2/t3-,4-,5-,6+,7-,8-,9-,10-,11?,12-/m1/s1

isomeric SMILES:
C([C@@H]1[C@H]([C@@H]([C@H]([C@H](O1)O[C@@H]2[C@H](O[C@H]([C@@H]([C@H]2O)O)O)CO)O)O)O)O
canonical SMILES:
C(C1C(C(C(C(O1)OC2C(OC(C(C2O)O)O)CO)O)O)O)O


IUPAC
(2R,3R,4S,5R,6R)-2-(hydroxymethyl)-6-[(2R,3R,4S,5R,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-oxane-3,4,5-triol

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

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

IUPAC systematic
(3R,4S,5R,6R)-6-(hydroxymethyl)-5-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-oxane-2,3,4-triol



PubChem Substance (SID):   85164869   149177   3508
PubChem Compound (CID):   6255
KEGG: Compound ID   C00208
CAS Registry IDs:   69-79-4   73824-72-3   77072-48-1
PDB Chemical Component   MAL
Miscellaneous Databases and IDs:   CHEBI 17306   EINECS 200-716-5   Beilstein Handbook Reference 5-17-07-00189

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.