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3-Ethoxy-3-oxopropanoic acid potassium (monoethyl malonate potassium salt)

3-Ethoxy-3-oxopropanoic acid potassium is an endogenously produced metabolite.
3-Ethoxy-3-oxopropanoic acid potassium (monoethyl malonate potassium salt)
3-Ethoxy-3-oxopropanoic acid potassium (monoethyl malonate potassium salt) Chemical Structure CAS No.: 6148-64-7
Product category: Endogenous Metabolite
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
50g
Other Sizes
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Product Description
3-Ethoxy-3-oxopropanoic acid potassium is an endogenously produced metabolite. 3-Ethoxy-3-oxopropanoic acid potassium promotes plant growth.
3-Ethoxy-3-oxopropanoic acid potassium (monoethyl malonate potassium salt) is an endogenous metabolite and a potassium salt of monoethyl malonate. It is a chemical intermediate used in organic synthesis and has been reported to promote plant growth. The compound is also known as ethyl potassium malonate and serves as a precursor for various synthetic applications.
Biological Activity I Assay Protocols (From Reference)
Targets
The compound targets endogenous metabolic pathways as an endogenous metabolite. It acts as a competitive inhibitor of the enzyme succinate dehydrogenase. It is used as a precursor to produce (trimethylsilyl)ethyl malonate, which is utilized to prepare beta-ketoesters by acylation. The compound may also interact with metabolic enzymes involved in the malonate pathway.
ln Vitro
3-Ethoxy-3-oxopropanoic acid potassium promotes plant growth, suggesting potential bioactivity in plant systems. As an endogenous metabolite, it participates in normal metabolic processes. Its inhibitory activity against succinate dehydrogenase indicates potential effects on the tricarboxylic acid cycle and energy metabolism. Further in vitro studies are needed to characterize its activity in mammalian systems.
ln Vivo
In vivo activity has been primarily reported in plant systems, where the compound promotes growth. No significant in vivo pharmacological activity has been documented in animal models. The compound is considered an endogenous metabolite and may be involved in normal physiological processes. Its role as a succinate dehydrogenase inhibitor suggests potential metabolic effects in vivo.
Enzyme Assay
In vitro enzyme assays for succinate dehydrogenase inhibition typically involve incubating the enzyme with varying concentrations of the compound (0.1-10 mM) in phosphate buffer at pH 7.4. Enzyme activity is measured spectrophotometrically by following the reduction of 2,6-dichlorophenolindophenol (DCPIP) or by monitoring succinate-dependent oxygen consumption. The competitive inhibition constant (Ki) is determined by Lineweaver-Burk plot analysis. Malonate derivatives are classic competitive inhibitors of succinate dehydrogenase.
Cell Assay
For in vitro cell assays, cells are cultured in medium supplemented with 3-Ethoxy-3-oxopropanoic acid potassium at concentrations ranging from 10 µM to 10 mM. Cell viability is assessed by MTT assay after 24-72 hours of treatment. Metabolic effects are evaluated by measuring oxygen consumption rate (OCR) and extracellular acidification rate (ECAR) using Seahorse analyzers. Intracellular succinate and malonate levels are quantified by LC-MS/MS to assess metabolic flux through the TCA cycle.
Animal Protocol
For in vivo animal studies, the compound is typically administered to rodents via oral gavage or intraperitoneal injection at doses of 10-100 mg/kg. Blood samples are collected at various time points for pharmacokinetic analysis. Tissue distribution and metabolic effects are assessed by measuring succinate dehydrogenase activity in liver and muscle homogenates. Plant growth promotion studies involve application to soil or foliar spray at concentrations of 0.1-1 mM.
ADME/Pharmacokinetics
3-Ethoxy-3-oxopropanoic acid potassium is highly soluble in water (>34 mg/mL). As a small molecule (MW 170.21), it is expected to be readily absorbed and distributed throughout the body. The compound is metabolized through ester hydrolysis to release malonate, which enters the TCA cycle. It is stable at 4°C sealed storage and in solvent at -80°C for 6 months. Elimination is primarily via renal excretion as malonate.
Toxicity/Toxicokinetics
The compound is considered to have low toxicity as an endogenous metabolite. No significant acute toxicity has been reported. For research use only, not for human therapeutic applications. The safety profile is expected to be similar to that of malonate salts, which are generally well-tolerated at moderate doses. Skin absorption may occur; standard laboratory safety precautions should be followed.
References

[1]. Application of monoethyl malonate in plant growth promotion. Patent. CN115024322.

Additional Infomation
3-Ethoxy-3-oxopropanoic acid potassium (CAS# 6148-64-7) is primarily a chemical intermediate and research reagent. It has not been investigated in clinical trials nor approved as a therapeutic drug. The compound is classified as an endogenous metabolite and is used in metabolic research and organic synthesis. It has applications in plant science research for growth promotion studies. No information is available on its use in humans.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C5H7KO4
Molecular Weight
170.21
Exact Mass
169.998
CAS #
6148-64-7
PubChem CID
3446434
Appearance
White to off-white solid powder
Boiling Point
237.2ºC at 760 mmHg
Melting Point
194 °C (dec.)(lit.)
Flash Point
100.8ºC
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
4
Rotatable Bond Count
4
Heavy Atom Count
10
Complexity
123
Defined Atom Stereocenter Count
0
SMILES
CCOC(=O)CC(=O)[O-].[K+]
InChi Key
WVUCPRGADMCTBN-UHFFFAOYSA-M
InChi Code
InChI=1S/C5H8O4.K/c1-2-9-5(8)3-4(6)7;/h2-3H2,1H3,(H,6,7);/q;+1/p-1
Chemical Name
potassium;3-ethoxy-3-oxopropanoate
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Note: Please store this product in a sealed and protected environment, avoid exposure to moisture.
Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 5.8751 mL 29.3755 mL 58.7510 mL
5 mM 1.1750 mL 5.8751 mL 11.7502 mL
10 mM 0.5875 mL 2.9375 mL 5.8751 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution 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 stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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