kappa-carrageenan

Carrageenan A water-soluble extractive mixture of sulfated polysaccharides from RED ALGAE. Chief sources are the Irish moss CHONDRUS CRISPUS (Carrageen), and Gigartina stellata. It is used as a stabilizer, for suspending COCOA in chocolate manufacture, and to clarify BEVERAGES.

Molecular Formula: C₂₄H₃₆O₂₅S₂^-2

InChI: InChI=1/C24H38O25S2/c25-1-5-14(48-50(33,34)35)9(27)10(28)22(42-5)45-16-8-4-40-19(16)12(30)23(44-8)47-20-13(31)24(43-6(2-26)17(20)49-51(36,37)38)46-15-7-3-39-18(15)11(29)21(32)41-7/h5-32H,1-4H2,(H,33,34,35)(H,36,37,38)/p-2/t5-,6-,7-,8-,9-,10-,11-,12-,13-,14+,15+,16+,17+,18-,19-,20-,21+,22+,23-,24+/m1/s1/fC24H36O25S2/q-2

InChIKey: InChIKey=ZNOZWUKQPJXOIG-QZXURXRTDG
SMILES: [H][C@]12CO[C@]([H])([C@@H](O)[C@@H](O)O1)[C@H]2O[C@@H]3O[C@H](CO)[C@H](OS([O-])(=O)=O)[C@H](O[C@H]4O[C@]5([H])CO[C@]([H])([C@H]4O)[C@H]5O[C@@H]6O[C@H](CO)[C@H](OS([O-])(=O)=O)[C@H](O)[C@H]6O)[C@H]3O

CAS number 11114-20-8

Names:
    CHEBI:10583
    kappa-carrageenans
    kappa-Carrageenan
    kappa-carrageenan
    κ-carrageenans
    (1R,2R,3R,5R,8R)-3-[(2R,3R,4R,5S,6R)-2-[[(1R,2R,3S,5R,8R)-2,3-dihydroxy-4,7-dioxabicyclo[3.2.1]oct-8-yl]oxy]-3-hydroxy-6-(hydroxymethyl)-5-sulfonatooxy-oxan-4-yl]oxy-8-[(2R,3R,4R,5R,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-sulfonatooxy-oxan-2-yl]oxy-2-hydroxy-4,7-dioxabicyclo[3.2.1]octane
    (1->4)-3,6-anhydro-alpha-D-galactopyranosyl-(1->3)-4-O-sulfonato-beta-D-galactopyranan
    11114-20-8

Registries:
    PubChem CID 11966249
    Beilstein =8971047
    CAS 11114-20-8 (from NIST)
    ChEBI 10583
    Kegg C02607
    PubChem ID 17425269
    PubChem ID 5594