Cat. No.: HY-B0135A

Furosemide sodium

10 Cited Publications

Customer Review

Based on 10 publication(s) in Google Scholar

Furosemide sodium is a potent and orally active inhibitor of Na⁺/K⁺/2Cl^- (NKCC) cotransporter, NKCC1 and NKCC2. Furosemide sodium is also a GABA_A receptors antagonist and displays 100-fold selectivity for α6-containing receptors than α1-containing receptors. Furosemide sodium acts as a loop diuretic and used for the study of congestive heart failure, hypertension and edema.

For research use only. We do not sell to patients.

Purity: 99.87%
CAS No.: 41733-55-5
Formula: C₁₂H₁₀ClN₂NaO₅S
Molecular Weight:352.73

Storage:

4°C, sealed storage, away from moisture

* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

Furosemide sodium Chemical Structure

CAS No.: 41733-55-5

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Fluorescent Dye

Strong Fluorescence Signal / Multi-Disciplinary Applications / High Fluorescence Specificity

Biological Activity
- Description
- IC₅₀ & Target
- In Vitro
- In Vivo
- Clinical Trial
Chemical Information
Publications (10)
Solvent & Solubility
- In Vitro
- In Vivo
Purity & Documentation
References
Help & FAQs
Classifications
Bioz

Biological Activity

Description

Furosemide sodium is a potent and orally active inhibitor of Na⁺/K⁺/2Cl^- (NKCC) cotransporter, NKCC1 and NKCC2^[1]. Furosemide sodium is also a GABA_A receptors antagonist and displays 100-fold selectivity for α6-containing receptors than α1-containing receptors. Furosemide sodium acts as a loop diuretic and used for the study of congestive heart failure, hypertension and edema^[2].

IC₅₀ & Target

IC50: NKCC1 and NKCC2^[1]
IC50: GABA_A receptors^[2]

In Vitro

Furosemide sodium (500 μM; 72-96 hours) significantly changes the proliferation rates in MKN45 cells (the poorly differentiated human gastric adenocarcinoma cell line). however, it has no effects on MKN28 cells (the moderately differentiated human gastric adenocarcinoma cell line). The growth rate of MKN45 cells is larger than that of MKN28 cells^[4].
Furosemide sodium (10 μM, 30 μM, 100 μM; 45 min exposure) significantly decreases cation channel activity^[5].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

In Vivo

Furosemide sodium (intraperitoneal injection; 100 mg/kg; single dose) is injected after kanamycin (KM) (1000 mg/kg) to creat a deaf mouse model in C57BL/6 mouse. After injection, hearing loss and cochlear hair cell damage are evaluated on day 1, day 2 and day 3, respectively. The hearing is markedly deteriorated even from the next day (Day-1 group), OHCs (outer hair cell) morphology of apical, middle and basal turns are disorganized in mice on day3^[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Clinical Trial

NCT Number	Sponsor	Condition	Start Date	Phase A549
NCT01329991	Plexxikon\|		2011-05	PHASE1

Chemical Information

CAS No. 41733-55-5
Appearance Solid
Molecular Weight 352.73
Formula C₁₂H₁₀ClN₂NaO₅S
Color White to off-white
SMILES

O=C(C1=CC(S(=O)(N)=O)=C(C=C1NCC2=CC=CO2)Cl)O[Na]
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

4°C, sealed storage, away from moisture

* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

Publications (10)

All Bio/Physico-chemical AssayCell Proliferation/Viability AssayELISAIn Vivo Efficacy StudyIHC

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Journal Impact Factor

Nat Aging

mRNA metabolism regulator human antigen R (HuR) regulates age-related hearing loss in aged mice. [Abstract]

2025 May;5(5):848-867. PMID: 40394214
Sci Adv

3D bioprinted human-scale intestine models for physiological and microbial insights through fluid-driven heterogeneity. [Abstract]

2025 Nov 21;11(47):eady6562. PMID: 41270182
EMBO J

Structural basis for human NKCC1 inhibition by loop diuretic drugs. [Abstract]

2025 Mar;44(5):1540-1562. PMID: 39875725
Emerg Contam

2026 Feb 23.
Eur J Pharmacol

Loop diuretics mitigate juvenile immobilization treatment-induced hippocampal dysfunction. [Abstract]

2025 Jun 5:996:177447. PMID: 40023355

Furosemide sodium purchased from MedChemExpress. Usage Cited in: Eur J Pharmacol. 2025 Jun 5:996:177447. [Abstract]

Suprafusion of bumetanide and Furosemide (50 μM ; 65 min) inhibited LTP formation in the hippocampus, with typical traces in the right panels. Points a and b represent high-frequency stimulation (HFS) for 5 min before induction and 40 min after induction, respectively.

Furosemide sodium purchased from MedChemExpress. Usage Cited in: Eur J Pharmacol. 2025 Jun 5:996:177447. [Abstract]

At the 40-min time point (b), hippocampal LTP was measured with suprafusion of 5 μM bumetanide or 50 μM Furosemide.

Furosemide sodium purchased from MedChemExpress. Usage Cited in: Eur J Pharmacol. 2025 Jun 5:996:177447. [Abstract]

In the inhibitory avoidance test, each group received intraperitoneal injections of either a vehicle, 15.2 mg/kg bumetanide, or 152 mg/kg Furosemide (dissolved in 1.1% DMSO in PBS) 30 min prior to the extinction phase (n = 9 per group).
iScience

Heart failure pleural fluid impairs endothelial barrier through miR 501-3p mediated ZO 1 remodeling. [Abstract]

2026 Apr 2;29(5):115549. PMID: 42058897
iScience

Impact of endogenous sonosensation on in vivo sonogenetics. [Abstract]

2025 Nov 12;28(12):114030. PMID: 41377656
J Orthop Surg Res

Several first-line anti-hypertensives act on fibrosarcoma progression and PD1ab blockade therapy. [Abstract]

2024 Feb 19;19(1):147. PMID: 38373964

Furosemide sodium purchased from MedChemExpress. Usage Cited in: J Orthop Surg Res. 2024 Feb 19;19(1):147. [Abstract]

Furosemide (10 μM; 1-6 days) had no effect on MCA-205 growth. CCK8 experiment was used to detect the proliferation ability of MCA-205 after Furosemide treatment.

Furosemide sodium purchased from MedChemExpress. Usage Cited in: J Orthop Surg Res. 2024 Feb 19;19(1):147. [Abstract]

Furosemide (10 μM; 24 h) did not significantly alter the level of VEGF produced by MCA-205. Elisa kit was used to detect the VEGF production after furosemide treatment.

Furosemide sodium purchased from MedChemExpress. Usage Cited in: J Orthop Surg Res. 2024 Feb 19;19(1):147. [Abstract]

Furosemide (200 mg/kg; ip; every other day) did not inhibit MCA-205 fibrosarcoma growth.

Furosemide sodium purchased from MedChemExpress. Usage Cited in: J Orthop Surg Res. 2024 Feb 19;19(1):147. [Abstract]

Furosemide (200 mg/kg; ip; every other day) combination of PD1ab (250 µg/mice; ip; every other day, 4 times) displayed a weaker therapeutic impact on tumor growth when compared with PD1ab single therapy.

Furosemide sodium purchased from MedChemExpress. Usage Cited in: J Orthop Surg Res. 2024 Feb 19;19(1):147. [Abstract]

Furosemide (200 mg/kg; ip; every other day) combination with PD1ab (250 µg/mice; ip; every other day, 4 times) showed no impact on the level of infiltrating CD8+ T cells compared with control. Compared with PD1ab treatment alone, the combination of both agents showed a decreasing impact on the level of infiltrating CD8+ T cells.
Nanotoxicology

Polystyrene nanoplastics promote tumor lung metastasis by inducing sodium overload in macrophages in an NMDAR-dependent way. [Abstract]

2026 May 19:1-18. PMID: 42154607
J Pharm Biomed Anal

Screening method of mildronate and over 300 doping agents by reversed-phase liquid chromatography-high resolution mass spectrometry. [Abstract]

2021 Feb 20:195:113870. PMID: 33453569

Solvent & Solubility

In Vitro:

DMSO : ≥ 150 mg/mL (425.25 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

H₂O : 100 mg/mL (283.50 mM; Need ultrasonic)

* "≥" means soluble, but saturation unknown.

View the Complete Stock Solution Preparation Table

Preparing Stock Solutions

View the Complete Stock Solution Preparation Table

Concentration Solvent Mass

1 mg

5 mg

10 mg

Concentration

Solvent

Mass

1 mM

2.8350 mL

14.1751 mL

28.3503 mL

5 mM

0.5670 mL

2.8350 mL

5.6701 mL

10 mM

0.2835 mL

1.4175 mL

2.8350 mL

Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.

Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

Molarity Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass Mass

Concentration Concentration

Volume Volume

Molecular Weight Molecular Weight

Dilution Calculator

Concentration _(start) × Volume _(start) = Concentration _(final) × Volume _(final)

Concentration _(start) Concentration _(start)

Volume _(start) Volume _(start)

Concentration _(final) Concentration _(final)

Volume _(final) Volume _(final)

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

Stock Solution Working Solution

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

Protocol 1

Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline

Solubility: ≥ 2.5 mg/mL (7.09 mM); Clear solution

This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

Protocol 2

Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)

Solubility: ≥ 2.5 mg/mL (7.09 mM); Clear solution

This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

Protocol 3

Add each solvent one by one: 10% DMSO 90% Corn Oil

Solubility: ≥ 2.5 mg/mL (7.09 mM); Clear solution

This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown). If the continuous dosing period exceeds half a month, please choose this protocol carefully.

Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL Corn oil, and mix evenly.

Working Solution

For the following dissolution methods, please prepare the working solution directly:

It is recommended to prepare fresh solutions and use them promptly within a short period of time.

The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

Protocol 1

Add each solvent one by one: PBS

Solubility: 100 mg/mL (283.50 mM); Clear solution; Need ultrasonic

In Vivo Dissolution Calculator

Please enter the basic information of animal experiments:

Dosage Dosage
mg/kg
Animal Weight (Per Animal) Animal Weight (Per Animal)
g
Dosing Volume (Per Animal) Dosing Volume (Per Animal)
μL
Number of Animals Number of Animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.

Working solution concentration: 0.22 mg/mL

This product has good water solubility, please refer to the measured solubility data in water/PBS/Saline for details.

The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only.If necessary, please contact

MedChemExpress (MCE) .

Purity & Documentation

Select Batch:

Purity: 99.98%

Assay: 99.98%

ee.: 99.98%

Data Sheet (280 KB)
SDS (419 KB)
- English - EN (419 KB)
- Français - FR (419 KB)
- Deutsch - DE (419 KB)
- Norwegian - NO (419 KB)
- Español - ES (419 KB)
- Swedish - SV (419 KB)
- Italian - IT (419 KB)
- Korean - KR (419 KB)
- Portuguese - PT (419 KB)
COA (2659 KB)
Elemental Analysis Report (2659 KB)
HNMR (2659 KB)
CNMR (2659 KB)
RP-HPLC (2659 KB)
NP-HPLC (2659 KB)
MS (2659 KB)
LCMS (2659 KB)
IR (2659 KB)
GC (2659 KB)
OR (2659 KB)
SDS-PAGE (2659 KB)
SEC-HPLC (2659 KB)
Other Report (2659 KB)
Handling Instructions (2659 KB)

References

[1]. C M Gillen, et al. Molecular cloning and functional expression of the K-Cl cotransporter from rabbit, rat, and human. A new member of the cation-chloride cotransporter family. J Biol Chem. 1996 Jul 5;271(27):16237-44. [Content Brief]

[2]. S A Thompson, et al. Residues in transmembrane domains I and II determine gamma-aminobutyric acid type AA receptor subtype-selective antagonism by Furosemide sodium. Mol Pharmacol. 1999 Jun;55(6):993-9. [Content Brief]

[3]. Shin Hye Kim, et al. Novel Peptide Vaccine GV1001 Rescues Hearing in Kanamycin/Furosemide sodium-Treated Mice. Front Cell Neurosci. 2018 Jan 19;12:3. [Content Brief]

[4]. Atsushi Shiozaki , et al. Furosemide sodium, a blocker of Na+/K+/2Cl- cotransporter, diminishes proliferation of poorly differentiated human gastric cancer cells by affecting G0/G1 state. J Physiol Sci. 2006 Dec;56(6):401-6. [Content Brief]

[5]. Yuliya V Kucherenko, et al.Inhibitory effect of Furosemide sodium on non-selective voltage-independent cation channels in human erythrocytes.Cell Physiol Biochem. 2012;30(4):863-75. [Content Brief]

Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

Complete Stock Solution Preparation Table

Optional Solvent	Concentration Solvent Mass	1 mg	5 mg	10 mg	25 mg
H₂O / DMSO	1 mM	2.8350 mL	14.1751 mL	28.3503 mL	70.8757 mL
	5 mM	0.5670 mL	2.8350 mL	5.6701 mL	14.1751 mL
	10 mM	0.2835 mL	1.4175 mL	2.8350 mL	7.0876 mL
	15 mM	0.1890 mL	0.9450 mL	1.8900 mL	4.7250 mL
	20 mM	0.1418 mL	0.7088 mL	1.4175 mL	3.5438 mL
	25 mM	0.1134 mL	0.5670 mL	1.1340 mL	2.8350 mL
	30 mM	0.0945 mL	0.4725 mL	0.9450 mL	2.3625 mL
	40 mM	0.0709 mL	0.3544 mL	0.7088 mL	1.7719 mL
	50 mM	0.0567 mL	0.2835 mL	0.5670 mL	1.4175 mL
	60 mM	0.0473 mL	0.2363 mL	0.4725 mL	1.1813 mL
	80 mM	0.0354 mL	0.1772 mL	0.3544 mL	0.8859 mL
	100 mM	0.0284 mL	0.1418 mL	0.2835 mL	0.7088 mL

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

Keywords

Furosemide sodium

10 Cited Publications

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Furosemide sodium

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Publications Citing Use of MedChemExpress (MCE) Furosemide sodium

Biological Activity

Chemical Information

Publications (10)

Solvent & Solubility

Purity & Documentation

References

Help & FAQs

Complete Stock Solution Preparation Table

Furosemide sodium Related Classifications

HY-B0135A Related Classifications