Name: Omecamtiv mecarbil (CK-1827452)
Brand: Selleck Chemicals
SKU: S2623
Availability: InStock
Rating: 5 (33 reviews)

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Quality Control

Batch: Purity: 99.66%

99.66

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Solubility

In vitro
Batch:

DMSO : 80 mg/mL (199.28 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Ethanol : 6 mg/mL

Water : Insoluble

Molarity Calculator

Mass	Concentration	Volume	Molecular Weight
Mass value Mass unit	Concentration value Concentration unit	Volume value Volume unit	Molecular weight (g/mol)

Dilution Calculator Molecular Weight Calculator

In vivo batch selection In vivo Batch:
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

Dosage: mg/kg

Average weight of animals: g

Dosing volume per animal: μL

Number of animals:

Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)

% DMSO

%

% Tween 80

% ddH₂O

% DMSO

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%

Calculation results:

Working concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH₂O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

Chemical Information, Storage & Stability

Molecular Weight	401.43	Formula	C₂₀H₂₄FN₅O₃	Storage (From the date of receipt)	3 years-20°Cpowder
CAS No.	873697-71-3	Download SDF		Storage of Stock Solutions	1 year-80°Cin solvent 1 month-20°Cin solvent
Synonyms	N/A			Smiles	CC1=NC=C(C=C1)NC(=O)NC2=CC=CC(=C2F)CN3CCN(CC3)C(=O)OC

Mechanism of Action

Targets/IC₅₀/Ki	Myosin ATPase
In vitro	In vitro, Omecamtiv mecarbil (CK-1827452) selectively activates cardiac myosin by increasing the myosin ATPase rate. In isolated cardiac myocytes, it results in increase of myocyte contractility and overcomes of the myosin inhibitor BDM without increasing the calcium transient or inhibiting the PDE pathway.
In vivo	Omecamtiv mecarbil (CK-1827452) significantly increases fractional shortening starting at 0.4 mM plasma concentrations in SD rats, sham animals and in rats with heart failure. In conscious dogs with myocardial infarction (MI-sHF), it leads to a significant increase in wall thickening (25%), stroke volume (44%), cardiac output (22%) and left ventricular (LV) systolic ejection time (26%). In addition, this compound also results in the decreases of some hemodynamic parameters including heart rate, mean left atrial pressure, and LV end-diastolic pressure. In conscious dogs with left ventricular hypertrophy (LVH-sHF), it leads to similar and not statistically different effects on hemodynamic parameters.
References	[1] http://www.cytokinetics.com/pdf/ASCB_1728.pdf [2] https://pubmed.ncbi.nlm.nih.gov/20498236/

Clinical Trial Information

(data from https://clinicaltrials.gov, updated on 2024-05-22)

NCT Number	Recruitment	Conditions	Sponsor/Collaborators	Start Date	Phases
NCT04464525	Withdrawn	Chronic Heart Failure With Reduced Ejection Fraction	Cytokinetics	December 18 2020	Phase 3
NCT02601001	Completed	Healthy Volunteer	Cytokinetics	November 13 2015	Phase 1
NCT01300013	Completed	Heart Failure	Cytokinetics	April 2011	Phase 2
NCT01077167	Withdrawn	Heart Failure	Cytokinetics	July 2010	Phase 2

Tech Support

Handling Instructions

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Frequently Asked Questions

Question 1:
We would like to know its half-life, could you please provide some information?

Answer:
In a press release from cytokinetics (http://www.cytokinetics.com/press_releases/release/pr_1133989715), the company claimed that it has a sufficiently long half-life to support oral dosing. In a later press release (http://www.cytokinetics.com/press_releases/release/pr_1213309188), cytokinetics updated clinical trail result and mentioned that its elimination half-life is 22 hours.

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Omecamtiv mecarbil (CK-1827452) Cardiac Myosin Activator

Chemical Structure

Molecular Weight: 401.43