Coelenterazine h (2-(4-Dehydroxy) coelenterazine) is a synthetic derivative of coelenterazine. The luminescence intensity of its aequorin complex is more than 10 times higher than that of the aequorin formed from native coelenterazine. Also see water soluble Aquaphile Coelenterazine h. Yellow solid soluble in MeOH or EtOH Store at -20°C and protect from light C26H21N3O2 MW: 407 [50909-86-9]