IBMX

IBMX (3-isobutyl-1-methylxanthine), like other methylated xanthine derivatives, is both a:

  1. competitive non-selective phosphodiesterase inhibitor which raises intracellular cAMP, activates PKA, inhibits TNFα and leukotriene synthesis, and reduces inflammation and innate immunity, and
  2. nonselective adenosine receptor antagonist.
IBMX
Names
IUPAC name
1-Methyl-3-(2-methylpropyl)-7H-purine-2,6-dione
Other names
3-Isobutyl-1-methylxanthine
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.044.767
KEGG
PubChem CID
UNII
  • InChI=1S/C10H14N4O2/c1-6(2)4-14-8-7(11-5-12-8)9(15)13(3)10(14)16/h5-6H,4H2,1-3H3,(H,11,12) Y
    Key: APIXJSLKIYYUKG-UHFFFAOYSA-N Y
  • InChI=1/C10H14N4O2/c1-6(2)4-14-8-7(11-5-12-8)9(15)13(3)10(14)16/h5-6H,4H2,1-3H3,(H,11,12)
    Key: APIXJSLKIYYUKG-UHFFFAOYAL
SMILES
  • CC(C)Cn1c2c(c(=O)n(c1=O)C)[nH]cn2
Properties
C10H14N4O2
Molar mass 222.3 g/mol
Appearance White solid
Melting point 199 to 201 °C (390 to 394 °F; 472 to 474 K)
Solubility Soluble in ethanol, DMSO, and methanol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references

As a phosphodiesterase inhibitor, IBMX has IC50 = 2–50 μM and does not inhibit PDE8 or PDE9.

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