Name: Amiloride HCl dihydrate
Brand: Selleck Chemicals
SKU: S2560
Availability: InStock
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Batch: S256001 DMSO]100 mg/mL]false]Water]5 mg/mL]false]Ethanol]0 mg/mL]false Purity: 100%

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COA
NMR
HPLC
SDS/MSDS
Datasheet

100

Related Targets	CFTR CRM1 CD markers AChR Calcium Channel Potassium Channel GABA Receptor TRP Channel ATPase GluR
Other Sodium Channel Inhibitors	Camostat Mesilate A-803467 cariporide GS967 Veratramine Tolperisone HCl Bulleyaconi cine A Vinpocetine Tenapanor PF-06869206

Solubility

In vitro
Batch:

DMSO : 100 mg/mL (330.99 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Water : 5 mg/mL

Ethanol : 0 mg/mL

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.
Clear solution	5%DMSO 1 40%PEG300 2 5%Tween80 3 50%ddH2O Validated by Selleck labs. Should you need adjustments to this formulation, contact our sales team for custom testing.	5mg/ml (16.55mM)	Taking the 1 mL working solution as an example, add 50 μL of 100 mg/ml clarified DMSO stock solution to 400 μL of PEG300, mix evenly to clarify it; add 50 μL of Tween80 to the above system, mix evenly to clarify; then continue to add 500 μL of ddH2O to adjust the volume to 1 mL. The mixed solution should be used immediately for optimal results.
Clear solution	5% DMSO 1 95% Corn oil Validated by Selleck labs. Should you need adjustments to this formulation, contact our sales team for custom testing.	0.71mg/ml (2.35mM)	Taking the 1 mL working solution as an example, add 50 μL of 14.2 mg/ml clear DMSO stock solution to 950 μL of corn oil and mix evenly. The mixed solution should be used immediately for optimal results.

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

+

%

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	302.12	Formula	C₆H₈ClN₇O.HCl.2H₂O	Storage (From the date of receipt)	3 years-20°Cpowder
CAS No.	17440-83-4	Download SDF		Storage of Stock Solutions	1 year-80°Cin solvent 1 month-20°Cin solvent
Synonyms	MK-870 hydrochloride dihydrate			SMILES	C1(=C(N=C(C(=N1)Cl)N)N)C(=O)N=C(N)N.O.O.Cl

Read more about storage stability stock solution CAS number SMILES

Mechanism of Action

Targets/IC₅₀/Ki	Sodium channel
In vitro	Amiloride also induces the dephosphorylation of P13K (phosphatidylinositol 3-kinase) and PDK-1 (phosphoinositide-dependent kinase-1) kinases along with PTEN (phosphatase and tensin homolog deleted on chromosome 10) and PP1 alpha phosphatases. Amiloride inhibits phosphorylation of kinases and phosphatases by competing with ATP. Amiloride, which causes little or no cytotoxicity by itself, enhances TRAIL-induced apoptosis. Amiloride precludes the alkalinization and in parallel inhibit cellular proliferation. Amiloride directly inhibits autophosphorylation of the EGF receptor. Amiloride significantly enhances recovery to a maximum of 39%, 88%, and 78% for force, +dF/dt, and -dF/dt, respectively. Amiloride, a frequently used inhibitor of Na+/H+ exchange, rapidly inhibits phorbol ester-stimulated protein phosphorylation in vivo and protein kinase C-mediated phosphorylation in vitro, both with potency similar to that with which Amiloride inhibits Na+/H+ exchange. Amiloride blocks phorbol ester-induced adhesion of HL-60 cells (adhesion being a property indicative of the differentiated state), but dimethylamiloride (as well as ethylisopropylamiloride, another very potent amiloride analog) does not. Amiloride inhibits the ouabain-sensitive rate of oxygen consumption (QO2) of a suspension of rabbit intact proximal tubules in the presence of different concentrations of extracellular sodium.
References	[1] https://pubmed.ncbi.nlm.nih.gov/15558024/ [2] https://pubmed.ncbi.nlm.nih.gov/20156964/ [3] https://pubmed.ncbi.nlm.nih.gov/2843057/ [4] https://pubmed.ncbi.nlm.nih.gov/2981834/ [5] https://pubmed.ncbi.nlm.nih.gov/6302840/

Clinical Trial Information

(data from https://clinicaltrials.gov, updated on 2026-06-11)

NCT Number	Recruitment	Conditions	Sponsor/Collaborators	Start Date	Phases
NCT06224673	RECRUITING	HER2 Low Breast Carcinoma; Triple Negative Breast Cancer; Hormone-receptor-positive Breast Cancer; Hormone Receptor Positive Breast Carcinoma	Laura Huppert, MD, BA	2026-06-05	PHASE2
NCT05753059	RECRUITING	Heart Failure	Yale University	2023-08-10	PHASE1
NCT04063540	RECRUITING	Migraine With Aura	Centre Hospitalier Universitaire de Nice	2020-08-11	PHASE2
NCT07634068	NOT_YET_RECRUITING	Vertebrobasilar Dolichoectasia	Huashan Hospital	2026-06	PHASE2
NCT06923709	RECRUITING	Chronic Kidney Disease(CKD); Proteinuria	Odense University Hospital	2024-10-10	PHASE2
NCT05228574	COMPLETED	Autosomal Dominant Polycystic Kidney	Erasmus Medical Center	2022-03-11	PHASE4

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Amiloride HCl dihydrate Sodium Channel inhibitor

Chemical Structure

Molecular Weight: 302.12