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(E)-2-Methyl-2-pentenoic acid

Cat No.:V32354 Purity: ≥98%
(E)-2-Methyl-2-pentenoic acid can be used as a component in the preparation /synthesis of the cytotoxic naturally occurring compound Lactimidomycin.
(E)-2-Methyl-2-pentenoic acid
(E)-2-Methyl-2-pentenoic acid Chemical Structure CAS No.: 16957-70-3
Product category: New2
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
(E)-2-Methyl-2-pentenoic acid can be used as a component in the preparation /synthesis of the cytotoxic naturally occurring compound Lactimidomycin.
(E)-2-Methyl-2-pentenoic acid (CAS 16957-70-3) is an unsaturated carboxylic acid with the molecular formula C6H10O2. It is a colorless liquid with a characteristic odor. It is used as a flavoring agent and as an intermediate in organic synthesis. It is also known as 2-methyl-2-pentenoic acid.
Biological Activity I Assay Protocols (From Reference)
Targets
(E)-2-Methyl-2-pentenoic acid does not have a specific pharmacological target. It is not a drug and is not intended for therapeutic use. It may be used as a building block for the synthesis of pharmaceutical compounds.
ln Vitro
In vitro activity is not documented for (E)-2-methyl-2-pentenoic acid. It is primarily used as a chemical intermediate rather than a pharmacologically active agent.
ln Vivo
In vivo activity is not documented for (E)-2-methyl-2-pentenoic acid. It is not a therapeutic agent and is not used in animal models for pharmacological studies.
Enzyme Assay
(E)-2-Methyl-2-pentenoic acid can be analyzed by GC-MS. For use as a synthetic intermediate, standard organic chemistry reactions are employed. It can be esterified, reduced, or used in condensation reactions.
Cell Assay
Cell-based assays are not applicable for this compound as it is not a pharmacologically active agent. It may be used in cytotoxicity screening as a negative control.
Animal Protocol
Animal studies are not applicable for (E)-2-methyl-2-pentenoic acid as it is not a therapeutic agent.
ADME/Pharmacokinetics
(E)-2-Methyl-2-pentenoic acid (MW 114.14) is a small lipophilic molecule. As a chemical intermediate, pharmacokinetic properties are not studied.
Toxicity/Toxicokinetics
(E)-2-Methyl-2-pentenoic acid is considered to have low toxicity. It is used as a flavoring agent and is generally recognized as safe at low concentrations. Standard laboratory safety precautions should be taken.
Additional Infomation
2-Methyl-2-pentenoic acid is a methyl branched fatty acid. It is the conjugate acid of 2-methyl-(2E)-pentenoic acid ester (1-).
(E)-2-Methyl-2-pentenoic acid is a research chemical used as a flavoring agent and synthetic intermediate. It is not a drug and is not in clinical trials. It is also known as 2-methyl-2-pentenoic acid.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C6H10O2
Molecular Weight
114.1424
Exact Mass
114.068
CAS #
16957-70-3
PubChem CID
5365909
Appearance
Colorless to off-white <26°C solid powder,>28°C liquid
Density
1.0±0.1 g/cm3
Boiling Point
215.9±0.0 °C at 760 mmHg
Melting Point
26-28ºC
Flash Point
107.8±0.0 °C
Vapour Pressure
0.1±0.8 mmHg at 25°C
Index of Refraction
1.454
LogP
1.89
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
2
Heavy Atom Count
8
Complexity
114
Defined Atom Stereocenter Count
0
SMILES
O([H])C(/C(/C([H])([H])[H])=C(\[H])/C([H])([H])C([H])([H])[H])=O
InChi Key
JJYWRQLLQAKNAD-SNAWJCMRSA-N
InChi Code
InChI=1S/C6H10O2/c1-3-4-5(2)6(7)8/h4H,3H2,1-2H3,(H,7,8)/b5-4+
Chemical Name
(E)-2-methylpent-2-enoic acid
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

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)
DMSO : ~100 mg/mL (~876.12 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (21.90 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.5 mg/mL (21.90 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
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.

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Solubility in Formulation 3: ≥ 2.5 mg/mL (21.90 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 8.7612 mL 43.8059 mL 87.6117 mL
5 mM 1.7522 mL 8.7612 mL 17.5223 mL
10 mM 0.8761 mL 4.3806 mL 8.7612 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

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

  • Calculate the Mass of a compound required to prepare a solution of known volume and concentration
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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)
  • Click the “Calculate” button
  • 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:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
  • Click the “Calculate” button
  • The answer appears in the Volume (to add to vial) box
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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