| Size | Price | Stock | Qty |
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| 500mg |
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| 1g |
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| Other Sizes |
| Targets |
Fmoc-Phe(4-CN)-OH targets peptide synthesis applications as a building block for introducing 4-cyanophenylalanine residues. The para-cyano substituent provides a unique electronic and hydrogen-bond accepting functionality that can modulate peptide conformation and biological activity. The Fmoc group enables standard Fmoc-based SPPS. It does not have a specific biological receptor target.
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| 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].
In vitro activity of Fmoc-Phe(4-CN)-OH is primarily as a peptide synthesis reagent. Amino acid derivatives have been used as ergogenic supplements, affecting the release of anabolic hormones and fuel availability. Fmoc-Phe(4-CN)-OH itself is not directly biologically active. Its utility is in preparing cyanophenylalanine-containing peptides for subsequent evaluation of biological activities and structural studies. |
| ln Vivo |
There is no specific in vivo activity data for Fmoc-Phe(4-CN)-OH as a standalone compound. Peptides containing 4-cyanophenylalanine residues synthesized using this building block may be evaluated in vivo for therapeutic applications. The cyano group can participate in hydrogen bonding and polar interactions with target proteins. Animal studies would be performed on the final peptide products.
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| Enzyme Assay |
In vitro SPPS protocols for Fmoc-Phe(4-CN)-OH involve standard Fmoc chemistry. The compound is activated with coupling reagents such as HATU or HBTU (1 equiv) and DIPEA (2 equiv) in DMF, then coupled to resin-bound peptides. Fmoc deprotection uses 20% piperidine in DMF. Purity is ≥98% by HPLC. Coupling efficiency is monitored by HPLC or Kaiser test. Storage: powder at -20°C for 3 years.
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| Cell Assay |
Cell-based protocols are not directly applicable to Fmoc-Phe(4-CN)-OH as it is a synthesis building block. 4-Cyanophenylalanine-containing peptides synthesized using this reagent can be tested in cell culture. Peptides are dissolved in DMSO or appropriate buffers, sterile-filtered, and added to cells at concentrations of 0.1-100 µM. Incubation is typically 24-72 hours. Assays include cell viability, proliferation, and specific signaling readouts.
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| Animal Protocol |
Animal studies with Fmoc-Phe(4-CN)-OH are not conducted directly. Peptides containing 4-cyanophenylalanine residues synthesized using this building block may be evaluated in vivo. Protocols involve administration of the peptide via appropriate routes in animal models. Pharmacokinetic sampling, efficacy assessment, and toxicological evaluation follow standard preclinical study designs. The cyano group can influence peptide stability, polarity, and target binding.
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| ADME/Pharmacokinetics |
Pharmacokinetic data for Fmoc-Phe(4-CN)-OH as a standalone compound is not applicable. The compound has molecular weight 412.44 g/mol, formula C₂₅H₂₀N₂O₄, and appears as a solid. Storage: powder at -20°C for 3 years or 4°C for 2 years. The Fmoc group is removed under basic conditions during peptide synthesis. The resulting 4-cyanophenylalanine-containing peptides may have altered pharmacokinetics.
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| Toxicity/Toxicokinetics |
Toxicological data for Fmoc-Phe(4-CN)-OH is limited. The compound is for research use only. Standard safety precautions should be observed. The cyano group may present additional handling considerations. Acute toxicity is expected to be low. Store as powder at -20°C. Proper personal protective equipment should be worn. No specific toxicity studies have been reported.
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| References | |
| Additional Infomation |
Fmoc-Phe(4-CN)-OH (CAS#: 173963-93-4) is also known as Fmoc-4-cyano-L-phenylalanine and (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-cyanophenyl)propanoic acid. Its molecular formula is C₂₅H₂₀N₂O₄ and molecular weight is 412.44 g/mol. It is an N-Fmoc protected phenylalanine derivative and potentially useful synthetic intermediate. It has no approved therapeutic indications.
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| Molecular Formula |
C25H20N2O4
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|---|---|
| Molecular Weight |
412.4373
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| Exact Mass |
412.142
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| CAS # |
173963-93-4
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| PubChem CID |
6957993
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| Appearance |
White to off-white powder
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| Boiling Point |
678.7ºC at 760 mmHg
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| Melting Point |
189ºC
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| Flash Point |
364.3ºC
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| Vapour Pressure |
2.38E-19mmHg at 25°C
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| Index of Refraction |
1.672
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| LogP |
4.483
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| Hydrogen Bond Donor Count |
2
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| Hydrogen Bond Acceptor Count |
5
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| Rotatable Bond Count |
7
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| Heavy Atom Count |
31
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| Complexity |
671
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| Defined Atom Stereocenter Count |
1
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| SMILES |
N#CC=1C=CC(=CC1)C[C@@H](C(O)=O)NC(OCC2C3=CC=CC=C3C4=CC=CC=C42)=O
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| InChi Key |
JOPKKUTWCGYCDA-QHCPKHFHSA-N
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| InChi Code |
InChI=1S/C25H20N2O4/c26-14-17-11-9-16(10-12-17)13-23(24(28)29)27-25(30)31-15-22-20-7-3-1-5-18(20)19-6-2-4-8-21(19)22/h1-12,22-23H,13,15H2,(H,27,30)(H,28,29)/t23-/m0/s1
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| Chemical Name |
(2S)-3-(4-cyanophenyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid
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| Synonyms |
Fmoc-Phe(4-CN)-OH
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| HS Tariff Code |
2934.99.9001
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| 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)
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| 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
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| 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
Injection Formulation 1: DMSO : Tween 80： Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution → 50 μL Tween 80 → 850 μL Saline)(e.g. IP/IV/IM/SC) *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 : PEG300 ：Tween 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). View More
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)] 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). View More
Oral Formulation 3: Dissolved in PEG400 (Please use freshly prepared in vivo formulations for optimal results.) |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 2.4246 mL | 12.1230 mL | 24.2460 mL | |
| 5 mM | 0.4849 mL | 2.4246 mL | 4.8492 mL | |
| 10 mM | 0.2425 mL | 1.2123 mL | 2.4246 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.
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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