The present invention relates to a tris salt of8-chloro-3-pentyl-3,7-dihydro-1 H-purine- 2,6-dione ofFormula (A): corresponding manufacture processes, pharmaceuticalformulations containing and uses of the afore-mentionedcompound in therapy, particularly in treatmentof diseases where under-activation of the HM74A receptorcontributes to the disease or where activation of the receptorwill be beneficial.