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Merck
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SML2354

Sigma-Aldrich

HMR-1556

≥98% (HPLC)

Sinónimos:

(3R,4S)-(+)-N-[3-Hydroxy-2,2-dimethyl-6-(4,4,4,-trifluorobutoxy)chroman-4-yl]-N-methylmethanesulfonamide, Chromanol HMR 1556, HMR 1556, HMR1556, N-[(3R,4S)-3,4-Dihydro-3-hydroxy-2,2-dimethyl-6-(4,4,4-trifluorobutoxy)-2H-1-benzopyran-4-yl]-N-methylmethanesulfonamide

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About This Item

Fórmula empírica (notación de Hill):
C17H24F3NO5S
Número de CAS:
223749-46-0
Peso molecular:
411.44
Número MDL:
MFCD12756323
Código UNSPSC:
12352200
NACRES:
NA.77

Análisis

≥98% (HPLC)

formulario

powder

actividad óptica

[α]/D +2 to +3.5°, c = 0.1 in methanol

color

white to beige

solubilidad

DMSO: 2 mg/mL, clear

temp. de almacenamiento

2-8°C

cadena SMILES

CC1([C@@H]([C@H](C2=CC(OCCCC(F)(F)F)=CC=C2O1)N(C)S(C)(=O)=O)O)C

InChI

1S/C17H24F3NO5S/c1-16(2)15(22)14(21(3)27(4,23)24)12-10-11(6-7-13(12)26-16)25-9-5-8-17(18,19)20/h6-7,10,14-15,22H,5,8-9H2,1-4H3/t14-,15+/m0/s1

Clave InChI

SRZRLJWUQFIZRH-LSDHHAIUSA-N

Acciones bioquímicas o fisiológicas

HMR-1556 is a potent and selective blocker of the heteromeric KCNQ1-KCNE1 (KvLQT1-MinK) voltage-gated channel-mediated slowly activating K+ current (IKs IC50 = 120 nM in hKCNE1-transfected Xenopus oocytes; little or no inhibition of Herg, Kv1.3 (KCNA3), Kv1.5 (KCNA5), Kir2.1 (KCNJ2), HCN2 (BCNG2) current in respective oocyte transfectants). HMR-1556 is more potent than chromanol 293B (IKs IC50 = 34 nM and 2.1 μM, respectively; guinea pig ventricular myocytes), being inefficient against L-type Ca2+ channel or rapidly delayed & inward rectifier currents (IKr & IK1) in guinea pig ventricular myocytes, nor transient & sustained outward currents, I(to) & I(sus), in rat ventricular myocytes.

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

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George P Thomas et al.
Journal of cardiovascular pharmacology, 41(1), 140-147 (2002-12-25)
The slowly activating delayed rectifier potassium current (IKs) contributes prominently to ventricular repolarization of the cardiac action potential. Development of a selective IKs blocker is important for the elucidation of the physiologic and pathophysiologic relevance of IKs and the development
James Winter et al.
Frontiers in physiology, 9, 16-16 (2018-02-08)
Rationale: Arrhythmogenic cardiac alternans are thought to be an important determinant for the initiation of ventricular fibrillation. There is limited information on the effects of sympathetic nerve stimulation (SNS) on alternans in the intact heart and the conclusions of existing
Ralph F Bosch et al.
Naunyn-Schmiedeberg's archives of pharmacology, 367(3), 281-288 (2003-03-20)
The chromanol HMR 1556 is a potent blocker of KvLQT1/minK potassium channels expressed in Xenopus oocytes. The compound is therefore a new class III antiarrhythmic drug with a distinct mechanism of action. However, the effect of HMR 1556 on atrial
Daniel C Bartos et al.
The Journal of physiology, 595(7), 2253-2268 (2016-12-23)
[Ca2+ ]i enhanced rabbit ventricular slowly activating delayed rectifier K+ current (IKs ) by negatively shifting the voltage dependence of activation and slowing deactivation, similar to perfusion of isoproterenol. Rabbit ventricular rapidly activating delayed rectifier K+ current (IKr ) amplitude
U Gerlach et al.
Journal of medicinal chemistry, 44(23), 3831-3837 (2001-11-02)
Since the discovery of the I(Ks)-potassium channel as the slowly activating component of the delayed rectifier current (I(k)) in cardiac tissue, the search for blockers of this current has been intense. During the screening of K(ATP)-channel openers of the chromanol
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