產品名稱：HA-1077, Dihydrochloride Salt
產品貨號：LC  H-2330
產品規格：1 G
Nomenclature.  Two names have been widely used for this compound, "HA-1077"and "Fasudil", and these names have been variously and inconsistently applied to the free base (a form that LC Labs does not sell), the monohydrochloride salt and the dihydrochloride salt forms.  For many years LC Labs has sold the dihydrochloride salt under the name HA-1077, Dihydrochloride Salt, as described on this page.  For historical reasons and for continuity, we have elected to maintain the HA-1077 name for our dihydrochloride salt product, even though we recently introduced the monohydrochloride salt form under the name Fasudil, Monohydrochloride Salt, Cat. No. F-4660.
The monohydrochloride salt is the form used to prepare formulations of this drug for clinical use.  Note that the solubility properties of the mono- and di-HCl salts are different.
Kinase inhibitor; has antivasospastic properties.
-- Asano, T., et al.  "Vasodilator actions of HA1077 in vitro and in vivo putatively mediated by the inhibition of protein kinases."  Br. J. Pharmacol. 98:  1091-1100 (1989).
-- Sasaki, Y. and Sasaki, Y.  "Inhibition of myosin light chain phosphorylation in cultured smooth muscle cells by HA1077, a new type of vasodilator."  Biochem. Biophys. Res. Commun. 171:  1182-1187 (1990).
-- Seto, M., et al.  "Effects of HA 1077, a protein kinase inhibitor, on myosin phosphorylation and tension in smooth muscle."  Eur. J. Pharmacol. 195:  267-272 (1991).
-- Shibuya, O., et al.  The effects of an intracellular calcium antagonist HA 1077 on delayed cerebral vasospasm in dogs. Acta Neurochir. 90:  53 (1988).
-- Shirotani, M. et al.  "A new type of vasodilator, HA 1077, an isoquinoline derivative, inhibits proliferation of bovine vascular smooth muscle cells in culture."  J. Pharmacol. Exp. Ther. 259:  738-744 (1991).
-- Swärd, K. et al.  "Inhibition of Rho-associated kinase blocks agonist-induced Ca2+ sensitization of myosin phosphorylation and force in guinea-pig ileum."  J. Physiol. 522:  33-49 (2000).
-- Davies, S.P. et al.  "Specificity and mechanism of action of some commonly used protein kinase inhibitors."  Biochem. J. 351:  95-105 (2000).
Storage:  Store at or below -20 ºC.  Solubility:  Very soluble in water, up to 200 mg/mL or more; soluble in DMSO up to about 10 mg/mL; not soluble in ethanol; addition of an aqueous solution of this dihydrochloride salt into a buffer solution may significantly alter its solubility.  Disposal:  A

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