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Fluorescein-PEG6-NHS ester | CAS 1818294-35-7
| Catalog Number | F04-0018 |
| Category | Fluorescein FAM |
| Molecular Formula | C₄₀H₄₅N₃O₁₅S |
| Molecular Weight | 839.86 |
* Please be kindly noted products are not for therapeutic use. We do not sell to patients.
Product Introduction
Fluorescein-PEG6-NHS ester is a polyethylene glycol (PEG)-based PROTAC linker. Fluorescein-PEG6-NHS ester can be used in the synthesis of a series of PROTACs.
Chemical Information
Product Specification
Application
Computed Properties
| Synonyms | 2,5-Dioxopyrrolidin-1-yl 1-((3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)amino)-1-thioxo-5,8,11,14,17,20-hexaoxa-2-azatricosan-23-oate; 4,7,10,13,16,19-Hexaoxa-22-azatricosanoic acid, 23-[(3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-5-yl)amino]-23-thioxo-, 2,5-dioxo-1-pyrrolidinyl ester |
| Purity | 95% |
| IUPAC Name | (2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[2-[2-[(3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-yl)carbamothioylamino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate |
| Canonical SMILES | C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCOCCOCCNC(=S)NC2=CC3=C(C=C2)C4(C5=C(C=C(C=C5)O)OC6=C4C=CC(=C6)O)OC3=O |
| InChI | InChI=1S/C40H45N3O15S/c44-27-2-5-31-33(24-27)56-34-25-28(45)3-6-32(34)40(31)30-4-1-26(23-29(30)38(49)57-40)42-39(59)41-10-12-51-14-16-53-18-20-55-22-21-54-19-17-52-15-13-50-11-9-37(48)58-43-35(46)7-8-36(43)47/h1-6,23-25,44-45H,7-22H2,(H2,41,42,59) |
| InChIKey | JRSZEPYWIPLVEA-UHFFFAOYSA-N |
| Solubility | Water, DMSO, DMF, DCM |
| Excitation | 494 |
| Emission | 517 |
| Storage | Please store the product under the recommended conditions in the Certificate of Analysis. |
Fluorescein-PEG6-NHS ester, a commonly utilized fluorescent dye in bioconjugation and labeling studies, serves a myriad of functions in biochemical research. Here are four key applications:
Protein Labeling: Deploying Fluorescein-PEG6-NHS ester for protein labeling purposes allows for the visualization of protein interactions and subcellular localization with remarkable precision. By engaging with primary amines present on proteins, this fluorescent tag facilitates meticulous tracking under a fluorescence microscope. This application plays a pivotal role in various biochemical and cell biology investigations, shedding light on the intricate functions of proteins within biological systems.
Bioconjugation: Within bioconjugation methodologies, this compound plays a critical role in affixing fluorescent labels to a diverse array of biomolecules, including antibodies and peptides. The inclusion of the PEG6 linker confers flexibility to the conjugate, alleviating steric hindrance and bolstering the stability of the attached label. These labeled biomolecules are indispensable for diagnostic assays, flow cytometry analyses, and imaging studies, enabling researchers to explore cellular processes with a heightened level of detail.
Cellular Imaging: Leveraging Fluorescein-PEG6-NHS ester for cellular imaging endeavors grants researchers the ability to stain and visualize live cells, facilitating real-time monitoring of cellular dynamics. Its inherent fluorescence properties render it suitable for applications in confocal microscopy and fluorescence-activated cell sorting procedures. This approach aids in the examination of cellular morphology, dynamics, and responses to diverse stimuli, offering insights into the intricate workings of cellular processes.
Quantitative Binding Assays: In the realm of quantitative binding assays, this ester emerges as a valuable tool for measuring biomolecular interactions through its fluorescent signal. By utilizing this compound in receptor-ligand binding studies, researchers can ascertain binding affinities and kinetics with precision. This application proves to be instrumental in drug discovery efforts and enhancing our comprehension of molecular interactions.
| XLogP3 | 1.1 |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 16 |
| Rotatable Bond Count | 24 |
| Exact Mass | 839.25713891 g/mol |
| Monoisotopic Mass | 839.25713891 g/mol |
| Topological Polar Surface Area | 251Ų |
| Heavy Atom Count | 59 |
| Formal Charge | 0 |
| Complexity | 1370 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
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