2. Anti-infection
  3. Bacterial Antibiotic
  4. Penicillin V Potassium

Penicillin V Potassium  (Synonyms: Phenoxymethylpenicillin potassium salt)

Cat. No.: HY-B0975 Purity: 99.01%
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Penicillin V Potassium (Phenoxymethylpenicillin potassium salt) is an orally active antibiotic. Penicillin V Potassium inhibits the growth of Streptococci, C. difficile and S. aureus. Penicillin V Potassium can be used for the research of otitis, sinusitis, pharyngitis and tonsillitis.

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

Penicillin V Potassium Chemical Structure

Penicillin V Potassium Chemical Structure

CAS No. : 132-98-9

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Based on 1 publication(s) in Google Scholar

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Penicillin V Potassium Related Antibodies

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Description

Penicillin V Potassium (Phenoxymethylpenicillin potassium salt) is an orally active antibiotic. Penicillin V Potassium inhibits the growth of Streptococci, C. difficile and S. aureus. Penicillin V Potassium can be used for the research of otitis, sinusitis, pharyngitis and tonsillitis[1][2][3][4].

IC50 & Target

β-lactam

 

In Vitro

Penicillin V (0.002-8.0 mg/L) inhibits the growth of Streptococci, with the minimum inhibitory concentrations (MICs) of 0.004-0.008 mg/L[2].
Penicillin V (0.002-8.0 mg/L) inhibits the growth of C. difficile, with a MIC90 of 8 mg/L[3].
Penicillin V (0.004-0.063 mg/L; 18 h) inhibits the growth of Staphylococcus aureus, with a MIC of 0.016 mg/L[4].

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

Penicillin V Potassium Related Antibodies
In Vivo

Penicillin V (0.063-0.25 mg/kg; a single s.c.) inhibits the outgrowth of S. aureus in mice thigh muscle[4].
Penicillin V (100 mg/kg; p.o. once daily for 5 d) avoids the fulminant infection of acute purulent otitis media (AOM) in rats[5].
Penicillin V (2 mg/kg; a single s.c.) exhibits the plasma half-life (61 min) and mean AUC (0.47 mg/L•h)[4][4].

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

Animal Model: Specific pathogen free (SPF) male Swiss mice (20-25 g) are inoculated S. aureus[4]
Dosage: 0.063, 0.13, 0.25 mg/kg
Administration: A single s.c.
Result: Decreased the number of CFU (1.34×107 counts/mL) compared to controls (3.5×107 counts/mL) at the dose of 0.25 mg/kg.
Clinical Trial
Molecular Weight

388.48

Formula

C16H17KN2O5S
CAS No.
Appearance

Solid

Color

White to off-white

SMILES

O=C(O[K])[C@@H](C(C)(C)S[C@]1([H])[C@@H]2NC(COC3=CC=CC=C3)=O)N1C2=O
Structure Classification
Initial Source

strains of Penicillium chrysogenum
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)

Solvent & Solubility
In Vitro: 

DMSO : 12 mg/mL (30.89 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

H2O : 6 mg/mL (15.44 mM; Need ultrasonic and warming)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.5741 mL 12.8707 mL 25.7414 mL
5 mM 0.5148 mL 2.5741 mL 5.1483 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, 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.

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  • 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: ≥ 1.2 mg/mL (3.09 mM); Clear solution

    This protocol yields a clear solution of ≥ 1.2 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (12.0 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% (20% SBE-β-CD in Saline)

    Solubility: ≥ 1.2 mg/mL (3.09 mM); Clear solution

    This protocol yields a clear solution of ≥ 1.2 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (12.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.

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 (257.41 mM); Clear solution; Need ultrasonic

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, 6 months; -20°C, 1 month (sealed storage, away from moisture)

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
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, 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.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
H2O / DMSO 1 mM 2.5741 mL 12.8707 mL 25.7414 mL 64.3534 mL
5 mM 0.5148 mL 2.5741 mL 5.1483 mL 12.8707 mL
10 mM 0.2574 mL 1.2871 mL 2.5741 mL 6.4353 mL
15 mM 0.1716 mL 0.8580 mL 1.7161 mL 4.2902 mL
DMSO 20 mM 0.1287 mL 0.6435 mL 1.2871 mL 3.2177 mL
25 mM 0.1030 mL 0.5148 mL 1.0297 mL 2.5741 mL
30 mM 0.0858 mL 0.4290 mL 0.8580 mL 2.1451 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.

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Penicillin V Potassium Related Classifications

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.

Keywords:

Penicillin V132-98-9PhenoxymethylpenicillinBacterialAntibioticantibioticStreptococciC. difficileS. aureusotitissinusitispharyngitistonsillitisInhibitorinhibitorinhibit

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