Dipotassium guanylate

Dipotassium guanylate is a compound with formula K2(C10H12O4N5PO4). It is a potassium salt of guanylic acid.[1]

Dipotassium guanylate
Names
IUPAC name
Dipotassium 5′-guanylate
Systematic IUPAC name
Dipotassium [(2R,3S,4R,5R)-5-(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl]methyl phosphate
Other names
5′-Guanosine monophosphate dipotassium salt; 5′-Guanylic acid dipotassium salt; E628
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.019.863
EC Number
  • 221-849-5
E number E628 (flavour enhancer)
UNII
  • InChI=1S/C10H14N5O8P.2K/c11-10-13-7-4(8(18)14-10)12-2-15(7)9-6(17)5(16)3(23-9)1-22-24(19,20)21;;/h2-3,5-6,9,16-17H,1H2,(H2,19,20,21)(H3,11,13,14,18);;/q;2*+1/p-2/t3-,5-,6-,9-;;/m1../s1 ☒N
    Key: BCQFRUIIFOQGFI-LGVAUZIVSA-L ☒N
  • InChI=1/C10H14N5O8P.2K/c11-10-13-7-4(8(18)14-10)12-2-15(7)9-6(17)5(16)3(23-9)1-22-24(19,20)21;;/h2-3,5-6,9,16-17H,1H2,(H2,19,20,21)(H3,11,13,14,18);;/q;2*+1/p-2/t3-,5-,6-,9-;;/m1../s1
    Key: BCQFRUIIFOQGFI-QZORJYQDBD
  • O[C@H]1[C@@H](O)[C@H](N2C=NC3=C2NC(N)=NC3=O)O[C@@H]1COP([O-])([O-])=O.[K+].[K+]
Properties
C10H12K2N5O8P
Molar mass 439.403 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

As a food additive, it is used as a flavor enhancer and has the E number E628.[1]

References
  1. Nordic Council of Ministers (2002). Food Additives in Europe 2000: Status of Safety Assessments of Food Additives Presently Permitted in the EU. Nordic Council of Ministers. pp. 559–561. ISBN 9789289308298.


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