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(R)-4-(Boc-amino)-5-phenylpentanoic acid

(R)-4-(Boc-amino)-5-phenylpentanoic acid
(R)-4-(Boc-amino)-5-phenylpentanoic acid Chemical Structure CAS No.: 195867-20-0
Product category: Others 15
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
(R)-4-(Boc-amino)-5-phenylpentanoic acid (CAS#: 195867-20-0) is a Boc-protected amino acid derivative with the molecular formula C₁₆H₂₃NO₄. It features a tert-butoxycarbonyl (Boc) protected amino group at the 4-position of 5-phenylpentanoic acid with (R) stereochemistry. The phenyl group provides hydrophobic interactions, while the Boc group enables selective deprotection. This compound is a valuable building block for peptide synthesis and pharmaceutical research.
Biological Activity I Assay Protocols (From Reference)
Targets
This compound serves as a building block for introducing Boc-protected amino acid residues with a phenyl side chain into peptides and peptidomimetics. The (R) stereochemistry provides specific three-dimensional interactions with target proteins. The phenyl group provides hydrophobic and aromatic interactions. The carboxylic acid group provides a handle for peptide coupling.
ln Vitro
In vitro, this compound is used as a reagent for synthesizing peptides and peptidomimetics. The carboxylic acid can be coupled to amines using standard peptide coupling chemistry. The Boc group enables selective deprotection for subsequent coupling steps. The phenyl group provides additional functionality for target engagement.
ln Vivo
In vivo activity data for this compound itself are not applicable, as it is a synthetic intermediate. However, peptides and peptidomimetics synthesized using this intermediate have been evaluated in various in vivo models for therapeutic applications including cancer, neurological disorders, and metabolic diseases.
Enzyme Assay
For peptide synthesis, the compound is dissolved in DMF or DCM and coupled with amine-containing substrates using standard peptide coupling reagents (e.g., HATU, HOBt, or DCC) in the presence of a base. The reaction is carried out at room temperature for 1-4 hours. The Boc group can be removed by treatment with TFA for subsequent coupling steps.
Cell Assay
For cell-based studies, peptides or peptidomimetics synthesized using this compound are evaluated in appropriate cell lines. Cells are cultured in DMEM or RPMI-1640 with 10% FBS at 37°C in 5% CO₂. Cells are treated with synthesized compounds at 0.1-100 µM for 24-72 hours. Biological activity is assessed using appropriate assays.
Animal Protocol
For in vivo studies, compounds synthesized using this intermediate are formulated in suitable vehicles and administered to animal models. Pharmacokinetic studies assess stability and half-life. Efficacy is evaluated in disease models appropriate for the specific compound. Toxicity is monitored by body weight and clinical observations.
ADME/Pharmacokinetics
(R)-4-(Boc-amino)-5-phenylpentanoic acid has a molecular weight of approximately 293.36 g/mol. It is typically stored as a solid at -20°C under desiccated conditions. The compound is soluble in DMF, DMSO, and other polar organic solvents. The Boc group can be removed under acidic conditions. The phenyl group provides hydrophobic character.
Toxicity/Toxicokinetics
Acute toxicity data are limited, as it is a synthetic intermediate. Standard laboratory safety practices should be followed. The compound may cause skin and eye irritation upon contact. Proper personal protective equipment should be used. Long-term toxicity studies have not been reported.
Additional Infomation
This compound is a Boc-protected amino acid building block for peptide synthesis and pharmaceutical research. The (R) stereochemistry provides specific three-dimensional properties. The phenyl group provides additional functionality for target engagement. It is a research intermediate and is not a therapeutic agent itself.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Exact Mass
293.163
CAS #
195867-20-0
PubChem CID
2755985
Appearance
Typically exists as solids at room temperature
LogP
3.192
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
4
Rotatable Bond Count
8
Heavy Atom Count
21
Complexity
343
Defined Atom Stereocenter Count
1
InChi Key
VPUKBWPBMROHJH-CYBMUJFWSA-N
InChi Code
InChI=1S/C16H23NO4/c1-16(2,3)21-15(20)17-13(9-10-14(18)19)11-12-7-5-4-6-8-12/h4-8,13H,9-11H2,1-3H3,(H,17,20)(H,18,19)/t13-/m1/s1
Chemical Name
(4R)-4-[(2-methylpropan-2-yl)oxycarbonylamino]-5-phenylpentanoic acid
HS Tariff Code
2934.99.9122
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)
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.)
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
  • Calculate the Volume of solution required to dissolve a compound of known mass to a desired concentration
  • Calculate the Concentration of a solution resulting from a known mass of compound in a specific volume
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:
  • To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.
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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