1. Membrane Transporter/Ion Channel
  2. NKCC
  3. Bumetanide

Bumetanide  (Synonyms: Ro 10-6338; PF 1593)

Cat. No.: HY-17468 Purity: 99.95%
COA Handling Instructions

Bumetanide (Ro 10-6338; PF 1593), a highly potent loop diuretic, is a Na+-K+-Cl+ cotransporter (NKCC) blocker. Bumetanide is a selective NKCC1 inhibitor, but also inhibits NKCC2, with IC50s of 0.68 μM and 4.0 μM for hNKCC1A and hNKCC2A, respectively.

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

Bumetanide Chemical Structure

Bumetanide Chemical Structure

CAS No. : 28395-03-1

Size Price Stock Quantity
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
USD 79 In-stock
Solution
10 mM * 1 mL in DMSO USD 79 In-stock
Solid
500 mg USD 72 In-stock
1 g USD 90 In-stock
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Customer Review

Based on 9 publication(s) in Google Scholar

Other Forms of Bumetanide:

Top Publications Citing Use of Products
  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

Bumetanide (Ro 10-6338; PF 1593), a highly potent loop diuretic, is a Na+-K+-Cl+ cotransporter (NKCC) blocker. Bumetanide is a selective NKCC1 inhibitor, but also inhibits NKCC2, with IC50s of 0.68 μM and 4.0 μM for hNKCC1A and hNKCC2A, respectively[1][2].

IC50 & Target

IC50: 0.68 μM (hNKCC1A), 4.0 μM (hNKCC2A)[1]

In Vitro

Bumetanide has inhibitory effects for the two major human splice variants of NKCCs, hNKCC1A, and hNKCC2A [1].
Bumetanide (0.03-100 μM; 5 minutes) inhibits the 86Rb+ uptake in NKCC1A-expressing oocytes in a dose-dependent manner[1].
Bumetanide inhibits NKCC2 isoform B in HEK-293 cells with an IC50 value of 0.54 μM[2].

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

In Vivo

Bumetanide (7.6-30.4 mg/kg; i.v.) attenuates the decrease in apparent diffusion coefficients (ADC) ratios for both cortex and striatum (by 40-67%), indicating reduced edema formation[3].
Bumetanide also reduces infarct size[3].
Bumetanide shows different half-lives of 21.4 min, 53.8 min, and 137 min following 2 mg/kg, 8 mg/kg, and 20 mg/kg intravenous injection, respectively, in rats[4].

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

Animal Model: Normotensive Sprague-Dawley rats (250-300 g)[3]
Dosage: 7.6 mg/kg, 15.2 mg/kg, 30.4 mg/kg
Administration: Intravenous injection
Result: Reduced the middle cerebral artery occlusion (MCAO)-induced decrease in ADC values in all four ipsilateral regions (L1-L4).
Animal Model: Male Sprague-Dawley rats (220-300 g)[4]
Dosage: 2 mg/kg, 8 mg/kg, 20 mg/kg (Pharmacokinetic Analysis)
Administration: Intravenous administration
Result: T1/2 (21.4 min, 53.8 min and 137 min for 2 mg/kg, 8 mg/kg and 20 mg/kg, respectively )
Clinical Trial
Molecular Weight

364.42

Formula

C17H20N2O5S

CAS No.
Appearance

Solid

Color

White to off-white

SMILES

O=C(O)C1=CC(NCCCC)=C(OC2=CC=CC=C2)C(S(=O)(N)=O)=C1

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

4°C, protect from light

*In solvent : -80°C, 2 years; -20°C, 1 year (protect from light)

Solvent & Solubility
In Vitro: 

DMSO : 100 mg/mL (274.41 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

H2O : < 0.1 mg/mL (insoluble)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.7441 mL 13.7204 mL 27.4409 mL
5 mM 0.5488 mL 2.7441 mL 5.4882 mL
View the Complete Stock Solution Preparation Table

* 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, 2 years; -20°C, 1 year (protect from light). When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

  • Molarity Calculator

  • Dilution Calculator

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

Mass
=
Concentration
×
Volume
×
Molecular Weight *

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

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

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

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 (6.86 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.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

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

    Solubility: ≥ 2.5 mg/mL (6.86 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.

In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).

*In solvent : -80°C, 2 years; -20°C, 1 year (protect from light)

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).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation

Purity: 99.95%

References

Complete Stock Solution Preparation Table

* 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, 2 years; -20°C, 1 year (protect from light). When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.7441 mL 13.7204 mL 27.4409 mL 68.6022 mL
5 mM 0.5488 mL 2.7441 mL 5.4882 mL 13.7204 mL
10 mM 0.2744 mL 1.3720 mL 2.7441 mL 6.8602 mL
15 mM 0.1829 mL 0.9147 mL 1.8294 mL 4.5735 mL
20 mM 0.1372 mL 0.6860 mL 1.3720 mL 3.4301 mL
25 mM 0.1098 mL 0.5488 mL 1.0976 mL 2.7441 mL
30 mM 0.0915 mL 0.4573 mL 0.9147 mL 2.2867 mL
40 mM 0.0686 mL 0.3430 mL 0.6860 mL 1.7151 mL
50 mM 0.0549 mL 0.2744 mL 0.5488 mL 1.3720 mL
60 mM 0.0457 mL 0.2287 mL 0.4573 mL 1.1434 mL
80 mM 0.0343 mL 0.1715 mL 0.3430 mL 0.8575 mL
100 mM 0.0274 mL 0.1372 mL 0.2744 mL 0.6860 mL
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Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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Bumetanide
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