Dipotassium guanylate

Dipotassium guanylate
Names
	Other names 5'-Guanosine monophosphate dipotassium salt; 5'-Guanylic acid dipotassium salt; E628
Identifiers
CAS Number	3254-39-5 ;
3D model (JSmol)	Interactive image;
ChemSpider	18598953 ;
ECHA InfoCard	100.019.863
E number	E628 (flavour enhancer)
	InChI 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 Key: BCQFRUIIFOQGFI-LGVAUZIVSA-L ; 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;
	SMILES 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
Chemical formula	C10H12K2N5O8P
Molar mass	439.40 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

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

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

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