Galacturonan

D-Galacturonic acid
Identifiers
CAS number 685-73-4 YesY
PubChem 84740
ChemSpider 76444 YesY
EC number 211-682-6
ChEBI CHEBI:47962 YesY
Jmol-3D images Image 2
Properties
Molecular formula C6H10O7
Molar mass 194.139
 YesY (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

D-Galacturonic acid is a sugar acid, an oxidized form of D-galactose. It is the main component of pectin, in which it exists as the polymer polygalacturonic acid.[1] It has an aldehyde group at C1 and a carboxylic acid group at C6. Other oxidized forms of D-galactose are D-galactonic acid (carboxylic group at C1) and meso-galactaric acid (mucic acid) (carboxylic groups at C1 and C6). It is also a uronic acid or hexuronic acid. Naturally occurring uronic acids are D-glucuronic acid, D-galacturonic acid, L-iduronic acid and D-mannuronic acid.

Reference

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