Protein Modification Reagents
eMolecules 77544-68-4 | PEG3-Tos | Broadpharm | MFCD22574797 | 260.300 | C11H16O5S | 98.000 | Cc1ccc(cc1)S(=O)(=O)OCCOCCO | 10g | 550803903
PEG3-Tos | Broadpharm | 77544-68-4 | MFCD22574797 | 260.300 | C11H16O5S | 98.000 | Cc1ccc(cc1)S(=O)(=O)OCCOCCO | 10g | 550803903
eMolecules 139115-89-2 | Ms-PEG4 | Broadpharm | MFCD22574814 | 228.260 | C7H16O6S | 98.000 | CS(=O)(=O)OCCOCCOCCO | 1g | 112541219
Ms-PEG4 | Broadpharm | 139115-89-2 | MFCD22574814 | 228.260 | C7H16O6S | 98.000 | CS(=O)(=O)OCCOCCOCCO | 1g | 112541219
eMolecules 125274-16-0 | Tr-PEG5 | Broadpharm | MFCD22574816 | 436.548 | C27H32O5 | 98.000 | OCCOCCOCCOCCOC(c1ccccc1)(c1ccccc1)c1ccccc1 | 1g | 112541223
Tr-PEG5 | Broadpharm | 125274-16-0 | MFCD22574816 | 436.548 | C27H32O5 | 98.000 | OCCOCCOCCOCCOC(c1ccccc1)(c1ccccc1)c1ccccc1 | 1g | 112541223
eMolecules 118591-57-4 | Ms-PEG3 | Broadpharm | MFCD22574807 | 184.210 | C5H12O5S | 98.000 | CS(=O)(=O)OCCOCCO | 1g | 137364363
Ms-PEG3 | Broadpharm | 118591-57-4 | MFCD22574807 | 184.210 | C5H12O5S | 98.000 | CS(=O)(=O)OCCOCCO | 1g | 137364363
Broadpharm NHS ESTER-PEG4-VAL-CIT-PAB-MMAE | MFCD34178780 | 10MG
NHS ESTER-PEG4-VAL-CIT-PAB-MMAE | MFCD34178780 | 10MG
Medchemexpress LLC Dbco-peg4-val-cit-pab-pnp | 2226472-28-0 | 98.3% | 1079.16 | C55H66N8O15 | 100 MG
DBCO-PEG4-Val-Cit-PAB-PNP is a cleavable linker reagent designed for constructing antibody-drug conjugates and click-chemistry bioconjugates. It combines a strain-promoted alkyne-azide cycloaddition (DBCO) handle with a Val-Cit protease-cleavable dipeptide and a PAB-PNP leaving group to enable enzyme-triggered payload release and efficient payload attachment. The compound is supplied as a characterized solid for research use.
Medchemexpress LLC m-PEG-DSPE sodium | 95.0% | 3000 Da (average) | (C2H4O)nC44H88NO9P | 500 MG
m-PEG-DSPE sodium (MW 3000) is a PEGylated phospholipid sodium salt supplied as a solid. It is commonly used to produce long-circulating liposomes and lipid nanoparticles to improve colloidal stability, steric protection, and tissue distribution of poorly soluble drugs. Manufacturer documentation includes a datasheet, certificate of analysis, and safety data sheet.
- PEGylated phospholipid with average molecular weight ~3000 Da.
- Improves nanoparticle colloidal stability and steric hindrance.
- Prolongs circulation time in vivo.
- Compatible with liposome and lipid nanoparticle formulations.
- Available as a solid in 500 MG pack sizes.
- Typical purity approximately 95.0%.
Medchemexpress LLC m-PEG-DMG | 1019000-64-6 | 98.0% | 2000 (average) | 50 MG
m-PEG-DMG (MW 2000) is a PEGylated lipid supplied as a powder with an average PEG molecular weight of 2000. It is intended for incorporation into liposomes and lipid nanoparticles for formulation and drug delivery research, providing a PEG surface modification to improve colloidal stability and in vivo circulation.
- PEGylated lipid suitable for liposome and lipid nanoparticle formulation.
- Average molecular weight about 2000 for consistent PEG chain length.
- Enhances particle stability and circulation time in biological systems.
- Supplied as a powder compatible with solvent-based formulation workflows.
- Stable under recommended frozen storage for extended shelf life.
Medchemexpress LLC Dspe-peg-nhs | MFCD03098978 | 80.0% | 5,000 Da | 50 MG
DSPE-PEG-NHS, MW 5000, is a pegylated phospholipid bearing an N-hydroxysuccinimide (NHS) reactive ester at the PEG terminus. The reagent (average MW 5,000 Da) provides an amine-reactive linker for covalent attachment of ligands to liposomes and lipid nanoparticles, while the PEG chain imparts steric stabilization and reduced protein adsorption, making it useful for formulation and bioconjugation research.
- Provides an NHS ester for covalent coupling to primary amines.
- Imparts PEGylation for steric stabilization and reduced protein adsorption.
- Enables liposome and nanoparticle surface functionalization.
- Average molecular weight approximately 5,000 Da.
- Typical purity reported as 80.0%.
- Suitable for bioconjugation and targeted drug-delivery research.
Medchemexpress LLC DSPE-PEG-FITC | 1000788-53-3 | 100 MG
DSPE-PEG-FITC (MW 10000) is a fluorescein-labeled DSPE-PEG amphiphilic conjugate (average molecular weight 10,000 Da) that forms micelles in aqueous solution. It is commonly used to prepare fluorescent liposomes and nanoparticles for research in drug delivery and imaging, and is supplied for research use only.
- Provides fluorescein labeling for visualization in fluorescence assays.
- Forms micelles and incorporates into liposome bilayers for nanoparticle formulation.
- Average molecular weight supports steric stabilization and extended circulation.
- Available in laboratory-friendly pack sizes including 100 mg.
- Supplied with supporting documents such as COA and SDS for quality control.
Medchemexpress LLC 1,11-Bis(methanesulfonyloxy)-3,6,9-trioxandecane | 55400-73-2 | 95.0% | 350.41 | 5 G
Ms-PEG4-MS is a PEG-based PROTAC linker designed for use in the synthesis of PROTACs. These molecules exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins by connecting a ligand for an E3 ubiquitin ligase with a ligand for a target protein.
- PEG-based linker for PROTAC synthesis
- Facilitates targeted protein degradation via the ubiquitin-proteasome system
- Available in various quantities for research needs
Medchemexpress LLC HY-128801 100mg Medchemexpress, NH2-PEG3-C1-Boc CAS:189808-70-6 Purity:>98%
Medchemexpress, HY-128801 100mg NH2-PEG3-C1-Boc CAS:189808-70-6 NH2-PEG3-C1-Boc (PROTAC Linker 5) is a PEG-based PROTAC linker can be used in the synthesis of PROTACs. Purity:>98% Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.
ABclonal Technology MICU2 Rabbit pAb
Enables protein heterodimerization activity. Involved in calcium import into the mitochondrion and negative regulation of mitochondrial calcium ion concentration. Located in mitochondrial inner membrane and mitochondrial intermembrane space. Part of uniplex complex.