H-Phe-Trp-OH Description
You might see this compound listed under multiple names: Phenylalanyl-Tryptophan, L-Phe-L-Trp-OH, Dipeptide-4, and its short notation H-Phe-Trp-OH.
This dipeptide is built from L-phenylalanine and L-tryptophan, connected via a peptide bond. It carries the formula C₂₀H₂₁N₃O₃, molecular weight 351.40 g/mol.
Both residues here hold aromatic side chains. This trait makes it useful for lab work focused on peptide folding and protein binding studies. Researchers also use it as a building fragment for longer peptide synthesis, or a reference sample to test endogenous metabolites.
Any lab worker knows that batch-to-batch variation can throw off your whole set of test data. If you get your H-Phe-Trp-OH from Faithful Chemical, we keep a close eye on synthesis and purification.We support small trial orders as well as bulk purchases. Complete test documentation will be provided together with your shipment for your lab record and verification. This product is for research use only and is not intended for human application.
Specification: ≥99.0% (HPLC) · CAS: 2285432-92-8·
Molecular Formula: C17H13BFNO3S·MOQ: 10g · Package: 10g/bottle
H-Phe-Trp-OH Introduction
Appearance
White to off-white powder
Storage conditions
Powder: -20°C for long-term storage (stable for 3 years); 4°C for 2 years. Must be protected from light.
Solution: -80°C for 6 months; -20°C for 1 month. It is recommended to aliquot and avoid repeated freezing and thawing.
Solubility
H-Phe-Trp-OH goes into DMSO smoothly, while water solubility is low. DMSO is the common pick for making lab stock liquid. Store this liquid cool and away from light so it won't break down quickly.
Certificate of Analysis
| Item | Specification | Results |
| Appearance | White to off-white powder | Complies |
| Purity (HPLC, 220 nm) | ≥98.0% | 98.72% |
| Water Content (Karl Fischer) | ≤0.5% | 0.28% |
| Residual Solvents (Acetonitrile) | ≤5000 ppm | <100 ppm |
| Single Impurity | ≤1.0% | 0.41% |
| Total Impurities | ≤2.0% | 1.28% |
| Heavy Metals (Pb) | ≤10 ppm | <5 ppm |
| Conclusion | Conform with enterprise specification . | |
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Products advantages
what is the adavantages of H-Phe-Trp-OH
Hydrophobic Interaction Probe
As a Phe-Trp dipeptide, H-Phe-Trp-OH carries two aromatic side chains. These groups create hydrophobic stacking, helping researchers study non-covalent interactions between peptide molecules. Get this well-characterized compound from Faithful Chemical for your related peptide interaction assays.
Intrinsic Fluorescence Reporter
The tryptophan unit within H-Phe-Trp-OH is sensitive to local surroundings. Changes in its fluorescence signal reveal conformational shifts while peptides assemble or bind targets.
π‑π Stacking Model Substrate
The paired aromatic rings on H-Phe-Trp-OH tend to form π‑π contacts. It acts as a minimal model for exploring aromatic packing rules in peptide self-assembly systems.
Dowanload Reports
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production process
This dipeptide is synthesized by SPPS. Protected C-terminal tryptophan is first loaded onto resin, then N-protected phenylalanine is coupled to form the Phe-Trp backbone.
The peptide is cleaved from resin with concentrated TFA. TIS is added as scavenger to protect Trp's indole group from oxidation and alkylation, while removing side-chain protecting groups. Crude material precipitates in cold ether, collected by centrifugation and vacuum dried.
Purification uses C18 reversed-phase HPLC with a gradient of 0.1% TFA water / 0.1% TFA acetonitrile, monitored at 220 nm and 280 nm. The effective components were combined and freeze-dried to form a fluffy white powder, H-Phe-Trp-OH.
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Applications of H-Phe-Trp-OH
1.The "scale" (standard substance/control substance) for analytical testing
When developing chromatographic analysis methods or conducting metabolomics experiments, researchers often use H-Phe-Trp-OH as a reference substance for endogenous metabolites. It is mainly used to assist in confirming the position of chromatographic peaks or for quantitative calibration to ensure the accuracy of experimental data.
2.The "basic building blocks" for peptide synthesis
Because the amino groups and carboxyl groups at both ends of H-Phe-Trp-OH are not protected, it is a very good starting material for synthetic chemistry. In the laboratory, it is often used as a model dipeptide and is used for further chemical modifications, cyclization or coupling reactions to prepare more complex peptide derivatives.
3.Sample analysis in specific experimental models
In some publicly available scientific literature or reagent databases, H-Phe-Trp-OH is often listed as one of the detection indicators for specific research directions (such as liver-related cell models, analysis of neurotransmitter metabolism). After purchase by the laboratory, it is mostly used for targeted quantitative analysis of related tissue samples. Faithful Chemical provide products with high purity and stable batch quality. Buying in our company can make you have a perfect shopping experience!
How to place an order for H-Phe-Trp-OH from Faithful Chemical?
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Supplier quality Assurance
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Faithful Chemical is a registered raw material supplier with the customs approval. We specialize in providing various chemical raw materials. Our H-Phe-Trp-OH product is of high quality and the batches are reliable.
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Our custom packing sequence protects all products: clean inner bag → double aluminium foil wrap → robust outer carton. It maintains reliable sealing and secures shipment privacy during transit.
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Team building and cooperation
Reliability sits at the core of our API supply business. At Faithful Chemical, we approach every cooperation with integrity. Our goal is to build enduring relationships and progress alongside our clients. We carefully review your project specifications, maintain ongoing dialogue, and flex our service setup to align with your research plans.
Faithful Chemical supplies H-Phe-Trp-OH for qualified B2B purchasers. All orders depend on product grade, stock availability and applicable regulatory requirements. We can discuss quantity, packaging, delivery schedules and paperwork to fit your sourcing scenario.
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The information published on this website comes from the internet, which does not mean that this website agrees with its views or confirms the authenticity of the content. Please pay attention to distinguish it. In addition, the products provided by our company are only used for scientific research. We are not responsible for the consequences of any improper use.
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