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. 2010 Mar 22;110(4):2049–2080. doi: 10.1021/cr900227t

Table 3. Chemical and Physical Data of Isomaltose.

chemical name (IUPAC) (2R,3R,4S,5R,6R)-6-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)-oxan-2-yl]oxymethyl] oxane-2,3,4,5-tetrol
synonym 6-O-α-glucopyranosyl-d-glucose
appearance colorless crystals
abbreviation Glc-(1−6)Glc
chemical formula C12H22O11
molecular mass 342.296 g/mol
melting point α-anomer: 120 °C
specific rotation, (α)20D (water) α-anomer: +120°
predicted solubility (in water) 339.5 mg/mL
CAS number 499-40-1
PubChem 153634
reactivity of hydroxyl groups 1 ≫ 6′ > 2′,3 > 4,4′ > 2,3′
Anomeric NMR data (D2O)
  1H δ (ppm) 13C δ (ppm) 
α-d-Glc(1,6)− 4.91a 97.9a
α-d-Glc 5.21a 92.2a
α-d-Glc(1,6)− 4.91a 97.9a, 98.5b
β-d-Glc 4.66a 96.0a, 96.8b
a

Ref (307).

b

Ref (306).