MedKoo Cat#: 531951 | Name: HMR-1556

Description:

WARNING: This product is for research use only, not for human or veterinary use.

HMR-1556 is a potent and selective Iks channel blocker (IC50 values are 10.5 and 34 nM). HMR-1556 selectively inhibits IKs currents over IKr, IKI, Ito and L-type Ca2+ channel currents.

Chemical Structure

HMR-1556
HMR-1556
CAS#223749-46-0

Theoretical Analysis

MedKoo Cat#: 531951

Name: HMR-1556

CAS#: 223749-46-0

Chemical Formula: C18H26F3NO5S

Exact Mass: 425.1484

Molecular Weight: 425.46

Elemental Analysis: C, 50.81; H, 6.16; F, 13.40; N, 3.29; O, 18.80; S, 7.54

Price and Availability

This product is currently not in stock but may be available through custom synthesis. To ensure cost efficiency, the minimum order quantity is 1 gram. The estimated lead time is 2 to 4 months, with pricing dependent on the complexity of the synthesis (typically high for intricate chemistries). Quotes for quantities below 1 gram will not be provided. To request a quote, please click the button below. Note: If this product becomes available in stock in the future, pricing will be listed accordingly.
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Related CAS #
No Data
Synonym
HMR-1556; HMR 1556; HMR1556.
IUPAC/Chemical Name
N-[(3R,4S)-3-hydroxy-2,2-dimethyl-6-(4,4,4-trifluorobutoxy)chroman-4-yl]-N-methylethanesulfonamide
InChi Key
YBZQPPIQXNWGEX-JKSUJKDBSA-N
InChi Code
InChI=1S/C18H26F3NO5S/c1-5-28(24,25)22(4)15-13-11-12(26-10-6-9-18(19,20)21)7-8-14(13)27-17(2,3)16(15)23/h7-8,11,15-16,23H,5-6,9-10H2,1-4H3/t15-,16+/m0/s1
SMILES Code
CCS(=O)(N([C@@H]1[C@@H](O)C(C)(C)OC2=C1C=C(OCCCC(F)(F)F)C=C2)C)=O
Appearance
Solid powder
Purity
>98% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
Soluble in DMSO
Shelf Life
>2 years if stored properly
Drug Formulation
This drug may be formulated in DMSO
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.9001
More Info

Preparing Stock Solutions

The following data is based on the product molecular weight 425.46 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
1: So PP, Backx PH, Dorian P. Slow delayed rectifier K+ current block by HMR 1556 increases dispersion of repolarization and promotes Torsades de Pointes in rabbit ventricles. Br J Pharmacol. 2008 Dec;155(8):1185-94. doi: 10.1038/bjp.2008.354. PubMed PMID: 18836478; PubMed Central PMCID: PMC2607203. 2: So PP, Backx PH, Hu XD, Dorian P. I(Ks) block by HMR 1556 lowers ventricular defibrillation threshold and reverses the repolarization shortening by isoproterenol without rate-dependence in rabbits. J Cardiovasc Electrophysiol. 2007 Jul;18(7):750-6. PubMed PMID: 17578345. 3: So PP, Hu XD, Backx PH, Puglisi JL, Dorian P. Blockade of IKs by HMR 1556 increases the reverse rate-dependence of refractoriness prolongation by dofetilide in isolated rabbit ventricles. Br J Pharmacol. 2006 Jun;148(3):255-63. PubMed PMID: 16565733; PubMed Central PMCID: PMC1751568. 4: Bauer A, Koch M, Kraft P, Becker R, Kelemen K, Voss F, Senges JC, Gerlach U, Katus HA, Schoels W. The new selective I(Ks)-blocking agent HMR 1556 restores sinus rhythm and prevents heart failure in pigs with persistent atrial fibrillation. Basic Res Cardiol. 2005 May;100(3):270-8. PubMed PMID: 15795798. 5: Bosch RF, Schneck AC, Csillag S, Eigenberger B, Gerlach U, Brendel J, Lang HJ, Mewis C, Gögelein H, Seipel L, Kühlkamp V. Effects of the chromanol HMR 1556 on potassium currents in atrial myocytes. Naunyn Schmiedebergs Arch Pharmacol. 2003 Mar;367(3):281-8. PubMed PMID: 12644901. 6: Thomas GP, Gerlach U, Antzelevitch C. HMR 1556, a potent and selective blocker of slowly activating delayed rectifier potassium current. J Cardiovasc Pharmacol. 2003 Jan;41(1):140-7. PubMed PMID: 12500032. 7: Gögelein H, Brüggemann A, Gerlach U, Brendel J, Busch AE. Inhibition of IKs channels by HMR 1556. Naunyn Schmiedebergs Arch Pharmacol. 2000 Dec;362(6):480-8. PubMed PMID: 11138839.