Wikipedia:  

Stachyose

Stachyose
Molecular Formula
C24 H42 O21
Natural Isotopic Abundance Mass
666.5776800000
Mono-Isotopic Molecular Masses
C12N14:   666.221858412
C13N14:   690.302374519
C12N15:   666.221858412
C13N15:   690.302374519
Stachyose image
Stachyose
InCHi String:
InChI=1S/C24H42O21/c25-1-6-10(28)14(32)17(35)21(41-6)39-3-8-11(29)15(33)18(36)22(42-8)40-4-9-12(30)16(34)19(37)23(43-9)45-24(5-27)20(38)13(31)7(2-26)44-24/h6-23,25-38H,1-5H2/t6-,7-,8-,9-,10+,11+,12-,13-,14+,15+,16+,17-,18-,19-,20+,21+,22+,23-,24+/m1/s1

isomeric SMILES:
C([C@@H]1[C@@H]([C@@H]([C@H]([C@H](O1)OC[C@@H]2[C@@H]([C@@H]([C@H]([C@H](O2)OC[C@@H]3[C@H]([C@@H]([C@H]([C@H](O3)O[C@]4([C@H]([C@@H]([C@H](O4)CO)O)O)CO)O)O)O)O)O)O)O)O)O)O
canonical SMILES:
C(C1C(C(C(C(O1)OCC2C(C(C(C(O2)OCC3C(C(C(C(O3)OC4(C(C(C(O4)CO)O)O)CO)O)O)O)O)O)O)O)O)O)O


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

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

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



PubChem Substance (SID):   85165048   4765
PubChem Compound (CID):   439531
KEGG: Compound ID   C01613
CAS Registry IDs:   10094-58-3   470-55-3
PDB Chemical Component   n/a
Miscellaneous Databases and IDs:   CHEBI 17164

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.