A potent, selective, cell-permeable calmodulin antagonist. It inhibits calmodulin-dependent enzymes such as MLC kinase (IC50=8 µM) and phosphodiesterase I (IC50=0.53 µM). Product Specification MW: 757.8 Purity: 98% CAS: 73885-53-7 Shipping: AMBIENT Long Term Storage: -20°C