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(2R,3S)-3-Phenylisoserine hydrochloride (Benzenepropanoic acid, β-amino-α-hydroxy-, hydrochloride, (αR,βS)-)

Cat No.:V68366 Purity: ≥98%
(2R,3S)-3-Phenylisoserine HCl is a serine analogue.
(2R,3S)-3-Phenylisoserine hydrochloride (Benzenepropanoic acid, β-amino-α-hydroxy-, hydrochloride, (αR,βS)-)
(2R,3S)-3-Phenylisoserine hydrochloride (Benzenepropanoic acid, β-amino-α-hydroxy-, hydrochloride, (αR,βS)-) Chemical Structure CAS No.: 132201-32-2
Product category: Amino Acid Derivatives
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
(2R,3S)-3-Phenylisoserine HCl is a serine analogue.
(2R,3S)-3-Phenylisoserine hydrochloride (CAS 132201-32-2) is a chiral β-amino-α-hydroxy acid with the hydrochloride salt form. Its molecular formula is C9H12ClNO3 with a molecular weight of 217.65 g/mol. This compound constitutes the essential C-13 side-chain pharmacophore of the anticancer drugs paclitaxel (Taxol®) and docetaxel (Taxotere®). It is used in the synthetic preparation of the catalytic asymmetric synthesis of both syn- and anti-β-amino alcohols. It is also used for the synthesis of N-benzoylphenylisoserinates of Lactarius sesquiterpenoid alcohols.
Biological Activity I Assay Protocols (From Reference)
Targets
This compound does not possess a specific biological target of its own; its primary function is as a pharmaceutical intermediate for the synthesis of anticancer drugs. As the C-13 side-chain pharmacophore of paclitaxel and docetaxel, it contributes to the ability of these drugs to promote microtubule polymerization and stabilize already polymerized microtubules. It is a key building block in the synthesis of these important anticancer agents.
ln Vitro
Commercial ergot supplements have been made from amino acids and their derivatives. They affect the release of anabolic hormones, the availability of fuel for activity, the ability to think clearly under pressure, and the prevention of muscular damage brought on by exertion. They are regarded as advantageous synergistic food ingredients [1].
This compound is not a therapeutic agent itself, but it is a key intermediate in the synthesis of the anticancer drugs paclitaxel and docetaxel. These drugs promote microtubule polymerization and stabilize already polymerized microtubules, leading to cell cycle arrest and apoptosis in cancer cells. The compound's in vitro activity is related to its role as a building block for these active pharmaceutical ingredients.
ln Vivo
This compound is not administered in vivo as a therapeutic agent itself. It is a pharmaceutical intermediate used in the synthesis of paclitaxel and docetaxel. These drugs are administered in vivo for the treatment of various cancers. The compound itself is for research and manufacturing use only and is not intended for direct therapeutic administration.
Enzyme Assay
Non-cellular enzyme/receptor binding assays are not applicable to this compound as it is not a drug. Its use is as a pharmaceutical intermediate. A typical protocol involves its use in the synthesis of paclitaxel and docetaxel, where it is coupled to the baccatin core to form the final active pharmaceutical ingredient.
Cell Assay
This compound is not used in cell-based assays as a therapeutic agent. Its role is as a pharmaceutical intermediate. It should be stored under appropriate conditions. It is a solid. Purity is typically high. The product is for research and manufacturing purposes only and is not intended for human or veterinary use.
Animal Protocol
In vivo animal experiments do not involve this compound as a test article. It is a pharmaceutical intermediate used in the synthesis of paclitaxel and docetaxel. These drugs are tested in animal models for their anticancer efficacy. The intermediate itself is not administered to animals.
ADME/Pharmacokinetics
Pharmacokinetic properties are not applicable to this compound as it is not a drug. It is a small molecule (MW 217.65 g/mol) with the formula C9H12ClNO3. Its properties are relevant for chemical handling and storage rather than for systemic exposure or ADME studies. The compound is not designed to be bioavailable.
Toxicity/Toxicokinetics
The toxicity of this compound is not extensively documented, as it is a pharmaceutical intermediate not intended for human or veterinary use. As with all chemical intermediates, standard laboratory safety precautions should be followed, including handling in a well-ventilated area with appropriate personal protective equipment (gloves, lab coat, safety glasses). The compound should be stored under appropriate conditions. It is not intended for diagnostic, therapeutic, or other medical applications.
References

[1]. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-1144.

Additional Infomation
(2R,3S)-3-phenylisoserine hydrochloride is an oxygen- and nitrogen-containing organic compound. Functionally, it is associated with β-amino acids.
(2R,3S)-3-Phenylisoserine hydrochloride is a chiral β-amino-α-hydroxy acid that constitutes the essential C-13 side-chain pharmacophore of the anticancer drugs paclitaxel (Taxol®) and docetaxel (Taxotere®). It is used as a pharmaceutical intermediate for the synthesis of these important anticancer agents. This compound is not a pharmaceutical and has no clinical trials or approved therapeutic status as a drug itself.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C9H12CLNO3
Molecular Weight
217.65
Exact Mass
217.05
CAS #
132201-32-2
PubChem CID
14807870
Appearance
White to off-white solid powder
Boiling Point
400.3ºC at 760 mmHg
Melting Point
222-224ºC (dec.)
Flash Point
195.9ºC
Vapour Pressure
3.98E-07mmHg at 25°C
LogP
1.634
Hydrogen Bond Donor Count
4
Hydrogen Bond Acceptor Count
4
Rotatable Bond Count
3
Heavy Atom Count
14
Complexity
178
Defined Atom Stereocenter Count
2
SMILES
Cl[H].O([H])[C@@]([H])(C(=O)O[H])[C@]([H])(C1C([H])=C([H])C([H])=C([H])C=1[H])N([H])[H]
InChi Key
OTJZSGZNPDLQAJ-KZYPOYLOSA-N
InChi Code
InChI=1S/C9H11NO3.ClH/c10-7(8(11)9(12)13)6-4-2-1-3-5-6;/h1-5,7-8,11H,10H2,(H,12,13);1H/t7-,8+;/m0./s1
Chemical Name
(2R,3S)-3-amino-2-hydroxy-3-phenylpropanoic acid;hydrochloride
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 4.5945 mL 22.9727 mL 45.9453 mL
5 mM 0.9189 mL 4.5945 mL 9.1891 mL
10 mM 0.4595 mL 2.2973 mL 4.5945 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
  • 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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