Protein Modification Reagents
eMolecules 2353409-63-7 | Mal-PEG8-alcohol | Broadpharm449.497 | C20H35NO10 | 0.000 | OCCOCCOCCOCCOCCOCCOCCOCCN1C(=O)C=CC1=O | 500mg | 445408884
Mal-PEG8-alcohol | Broadpharm | 2353409-63-7449.497 | C20H35NO10 | 0.000 | OCCOCCOCCOCCOCCOCCOCCOCCN1C(=O)C=CC1=O | 500mg | 445408884
eMolecules 2055041-41-1 | HN-(PEG4-CH2CH2COOtBu)2 | Acrotein ChemBio Inc. | MFCD29912666 | 625.797 | C30H59NO12 | 97.000 | CC(C)(C)OC(=O)CCOCCOCCOCCOCCNCCOCCOCCOCCOCCC(=O)OC(C)(C)C | 0.5g | 518518368
HN-(PEG4-CH2CH2COOtBu)2 | Acrotein ChemBio Inc. | 2055041-41-1 | MFCD29912666 | 625.797 | C30H59NO12 | 97.000 | CC(C)(C)OC(=O)CCOCCOCCOCCOCCNCCOCCOCCOCCOCCC(=O)OC(C)(C)C | 0.5g | 518518368
C(O[C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O)[C@H](O)[C@@H](O)C(=O)NCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCN=[N+]=[N-] | 10mg | 445408914](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502183531.JPG-250.jpg)
eMolecules 2252392-52-0 | LG-PEG10-azide | Broadpharm866.909 | C34H66N4O21 | 0.000 | OC[C@@H](O)C(O[C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O)[C@H](O)[C@@H](O)C(=O)NCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCN=[N+]=[N-] | 10mg | 445408914
LG-PEG10-azide | Broadpharm | 2252392-52-0866.909 | C34H66N4O21 | 0.000 | OC[C@@H](O)C(O[C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O)[C@H](O)[C@@H](O)C(=O)NCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCN=[N+]=[N-] | 10mg | 445408914
Medchemexpress LLC DSPE-PEG 2000 | 892144-24-0 | 99.37% | (C2H4O)nC42H82NO10P | 25 MG
DSPE-PEG 2000 is a PEG polymer containing DSPE and amine end groups. It can be used to form micelles as nanoparticles for drug delivery.
- Powder: -20°C for 3 years.
- In solvent: -80°C for 6 months, -20°C for 1 month.
Medchemexpress LLC N-succinimidyl 4,7,10,13-tetraoxatetradecanoate | 622405-78-1 | MFCD11041112 | 95.0% | 333.33 g/mol | C14H23NO8 | 5G
m-PEG4-NHS ester is a monomethyl-capped polyethylene glycol (PEG4) reagent terminating in an N-hydroxysuccinimide (NHS) ester. It is used as an amine-reactive PEGylation linker and as a spacer in PROTAC and bioconjugation chemistry, enabling attachment of a PEG4 spacer to primary amines on small molecules, peptides, or proteins. CAS 622405-78-1; molecular weight 333.33 g/mol.
Medchemexpress LLC 4,7,10,13-Tetraoxa-16-azanonadecanoic acid, 19-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-17-oxo | 1263045-16-4 | 99.8% | 500 MG
Mal-amido-PEG4-acid is an off-white to yellow solid with a molecular formula of C18H28N2O9 and a molecular weight of 416.42. It exhibits a high purity of 99.76% as determined by HPLC analysis, and its 1H NMR and LCMS spectra are consistent with the chemical structure.
- Off-white to yellow solid appearance
- Molecular formula C18H28N2O9
- Molecular weight 416.42
- Purity of 99.76% (HPLC)
- NMR and LCMS data consistent with structure
- Store at -20°C, protected from light
- Store in solvent at -80°C for 6 months or -20°C for 1 month, protected from light
Apexbio Technology LLC Cy5.5 alkyne (non-sulfonated) 5mg
Cy5 5 alkyne non-sulfonated is a near-infrared fluorescent cyanine derivative equipped with an alkyne functional group for click chemistry applications Through copper-catalyzed azide-alkyne cycloaddition (CuAAC) it forms covalent conjugates with azide-containing biomolecules metabolites or small-molecule ligands Cy5 5 alkyne non-sulfonated is primarily soluble in organic solvents aqueous solutions containing organic co-solvent such as DMSO may be used during conjugation Based on these chemical properties Cy5 5 alkyne non-sulfonated holds research potential in labeling nucleic acids peptides proteins lipids and other biomolecules for biomedical imaging tissue distribution evaluation and related pharmaceutical research applications
Medchemexpress LLC 2-amino-n-(14-azido-2,5-dioxo-9,12-dioxa-3,6-diazatetradecyl)acetamide | 2222277-20-3 | 95.0% | 345.35 g/mol | C12H23N7O5 | 1 ML
Gly-Gly-Gly-PEG2-azide is an azide-functionalized peptide-PEG linker supplied as a ready-to-use solution (10 mM in DMSO, 1 mL) or as a solid. It is intended for use in antibody-drug conjugate synthesis, bioconjugation, and related chemical biology applications.
- Azide-functionalized peptide-PEG2 linker for bioconjugation.
- Available as 10 mM solution in DMSO (1 mL) or solid forms.
- Used for antibody-drug conjugate synthesis and related chemistry.
- Characterized by CAS 2222277-20-3 and molecular weight 345.35 g/mol.
Medchemexpress LLC 4,7,10,13-tetraoxa-16-azaheneicosanoic acid pentafluorophenyl ester | 1334172-58-5 | 96.2% | 657.65 g/mol | C27H36F5N3O8S | 10 MG
Biotin-PEG4-PFP ester is a cleavable four-unit polyethylene glycol (PEG) linker bearing a biotin tag and a pentafluorophenyl (PFP) activated ester. It is used to conjugate biotin to molecules or antibodies via PFP ester-mediated coupling.
- Cleavable four-unit PEG spacer for improved solubility and linker flexibility.
- Pentafluorophenyl (PFP) activated ester enables efficient coupling to amine-containing payloads.
- Biotin tag allows affinity capture and detection.
- High purity (96.18%) and characterized by molecular weight 657.65 g/mol.
- Solid, white to off-white; recommended storage: powder at -20°C; in solvent, -80°C for long-term storage.
- Available in small research pack sizes including 10 MG.
Nanocs mPEG-Mal, PEG Maleimide, MFCD02688034, 1g
mPEG-Mal, PEG Maleimide, MFCD02688034, 1g, Molecular Weight 5000
Medchemexpress LLC DiSulfo-Cy5 alkyne | 1617497-19-4 | C35H40N3NaO7S2 | 1 MG
DiSulfo-Cy5 alkyne is a fluorescent dye that can be used as a click chemistry reagent.
- Fluorescent dye
- Click chemistry reagent
Medchemexpress LLC DMG-PEG 2000 | 160743-62-4 | 98.4% | 2000 (Average) | 25 MG
DMG-PEG 2000 is utilized for the preparation of liposomes for siRNA delivery, leading to improved transfection efficiency in vitro. Additionally, it is employed in lipid nanoparticles for an oral plasmid DNA delivery approach in vivo. This involves a facile surface modification to enhance the mucus permeability and delivery efficiency of the nanoparticles.
- Used for the preparation of liposome for siRNA delivery with improved transfection efficiency in vitro.
- Used for lipid nanoparticle for an oral plasmid DNA delivery approach in vivo through facile surface modification.
- Improves mucus permeability and delivery efficiency of nanoparticles.