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Phytic acid dodecasodium salt hydrate

≥90%, from rice

InsP6, myo-Inositol hexakis(dihydrogen phosphate), Inositol hexaphosphoric acid, Inositol hexakisphosphate
Empirical Formula (Hill Notation):
C6H6Na12O24P6 · xH2O
CAS Number:
Molecular Weight:
923.82 (anhydrous basis)
MDL number:

biological source




SMILES string


Biochem/physiol Actions

Phytic acid is present in all eukaryotic cells. In plants, it is known to function as a [PO4]3− storage depot and precursor for other inositol phosphates and pyrophosphates. Its high surface negative charge makes it a potent chelator of divalent and trivalent cations in vitro, and it is most likely associated with Ca2+ or Mg2+ ions in vivo. In yeast, phytic acid acts with the nuclear pore protein Gle1 to regulate the nuclear export of mRNA by coactivating the RNA-dependent ATPase activity of DExD-box protein 5 (Dbp5).


Contains minute amounts of black particles.

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