Potent cell-permeable inhibitor of nitric oxide synthase (NOS; IC50=82 nM in J774 cells). Ki’s using all human iNOS, eNOS and nNOS (19, 39 and 29 nM respectively) indicate doubtful selectivity.
Solubility: Soluble in water (25mg/ml).
Handling: Protect from light. Hygroscopic.