PeptideDB

HMR 1556

CAS: 223749-46-0 F: C17H24F3NO5S W: 411.44

HMR 1556, a chromanol derivative, is a potent IKs blocker with IC50s of 10.5 nM and 34 nM in canine and guinea pig left
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Bioactivity HMR 1556, a chromanol derivative, is a potent IKs blocker with IC50s of 10.5 nM and 34 nM in canine and guinea pig left ventricular myocytes, respectively[1][2].
Target IC50: 10.5 nM (IKs in canine left ventricular myocytes), 34 nM (IKs in guinea pig left ventricular myocytes)
Invitro HMR 1556 inhibits Ito, ICa,L and IKr with IC50s of 33.9 μM, 27.5 μM, 12.6 μM in canine left ventricular myocytes, respectively[1].
Name HMR 1556
CAS 223749-46-0
Formula C17H24F3NO5S
Molar Mass 411.44
Appearance Solid
Transport Room temperature in continental US; may vary elsewhere.
Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
Reference [1]. Thomas GP, et al. HMR 1556, a potent and selective blocker of slowly activating delayed rectifier potassium current. J Cardiovasc Pharmacol. 2003 Jan;41(1):140-7. [2]. Gerlach U,et al. Synthesis and activity of novel and selective I(Ks)-channel blockers. J Med Chem. 2001 Nov 8;44(23):3831-7.