Technical Data
Calmodulin Antagonist W-5 (N-(6-aminohexyl)-1-naphthalenesulfonamide hydrochloride)
Biochemicals Storage: -20CShipping: RT
Antagonist of calmodulin, inhibiting Ca2+/calmodulin-regulated phosphodiesterase (PDE I) and myosin light chain kinase.

Purity: 98%
Appearance: White to off-white crystalline solid.
Solubility: Soluble in water, DMSO, 100% ethanol (hot) or methanol (hot).

Storage and Stability:
May be stored at RT for short-term only. Long-term storage is recommended at -20C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.

CAS Number:

Molecular Formula:

Molecular Weight:
Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. Toxicity and Hazards:All products should be handled by qualified personnel only, trained in laboratory procedures.
Hidaka et al (1981) Activity-structure relationship of calmodulin antagonists. Naphthalenesulfonamide derivatives. Mol.Pharmacol. 20 571. Hidaka et al (1981) N-(6-aminohexyl)-5-chloro-1-naphthalenesulfonamide, a calmodulin antagonist, inhibits cell proliferation. Proc.Natl.Acad.Sci.USA 78 4354. Hidaka and Tanaka (1983) Naphthalenesulfonamides as calmodulin antagonists. Methods Enzymol. 102 185.

Intended for research use only. Not for use in human, therapeutic, or diagnostic applications.