Protein Modification Reagents
Medchemexpress LLC Biotin-PEG-azide | 956494-20-5 | 98.7% | 2000.00 | 100 MG
Biotin-PEG-azide (MW 2000) is a biotinylated polyethylene glycol derivative with a terminal azide functional group. Supplied as a powder with an average molecular weight of 2000, it is designed for use in bioconjugation workflows such as copper-catalyzed azide-alkyne cycloaddition and for affinity labeling or capture of biomolecules. Manufacturer datasheets provide purity, storage, and handling details.
Medchemexpress LLC NH-bis(C2-PEG2-NH-Boc) | 2182601-69-8 | 50 MG
NH-bis(C2-PEG2-NH-Boc) is a laboratory chemical identified for use in the manufacture of substances. This compound is a stable liquid with a molecular formula of C22H45N3O8 and a molecular weight of 479.61.
- Identified for use as a laboratory chemical
- Stable under recommended storage conditions
- Pure form storage: -20°C for 3 years, 4°C for 2 years
- In solvent storage: -80°C for 6 months, -20°C for 1 month
- Shipping at room temperature if less than 2 weeks
- Appearance: liquid
- Boiling point/range: 577.0±50.0 °C at 760 mmHg
- Relative density: 1.064 g/cm³
Medchemexpress LLC Biotin-PEG4-acid | 721431-18-1 | 97.0% | 50 MG
Biotin-PEG4-acid is a PEG-based PROTAC linker utilized in the synthesis of PROTACs. This compound leverages the intracellular ubiquitin-proteasome system to facilitate the selective degradation of target proteins. It has a molecular weight of 491.60 and a chemical formula of C21H37N3O8S, appearing as a white to off-white solid.
- PEG-based PROTAC linker
- Utilized in the synthesis of PROTACs
- Leverages the intracellular ubiquitin-proteasome system
- Facilitates selective degradation of target proteins
- Molecular weight of 491.60
- Chemical formula C21H37N3O8S
- Appears as a white to off-white solid
- Recommended for research use only
Medchemexpress LLC Propargyl-PEG3-CH2COOH | 1694731-93-5 | 98.0% | 50 MG
Propargyl-PEG3-CH2COOH is a PEG-based PROTAC linker that can be utilized in the synthesis of PROTACs. It functions as a click chemistry reagent, containing an Alkyne group that can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules that contain Azide groups.
- PEG-based PROTAC linker.
- Functions as a click chemistry reagent.
- Contains an Alkyne group.
- Undergoes copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
Medchemexpress LLC Propargyl-PEG4-O-C1-Boc | 2098489-63-3 | 97% | 100 MG
Propargyl-PEG4-O-C1-Boc is a versatile PEG-based PROTAC linker primarily used in the synthesis of PROTACs. This compound also functions as a click chemistry reagent, featuring an Alkyne group that enables efficient copper-catalyzed azide-alkyne cycloaddition (CuAAC) with molecules containing Azide groups.
- PEG-based PROTAC linker
- Utilized in the synthesis of PROTACs
- Functions as a click chemistry reagent
- Contains an Alkyne group
- Undergoes copper-catalyzed azide-alkyne cycloaddition (CuAAC) with azide groups
eMolecules 1314378-11-4 | Bis-PEG4-NHS ester | Broadpharm | MFCD20228963 | 488.446 | C20H28N2O12 | 98.000 | O=C(CCOCCOCCOCCOCCC(=O)ON1C(=O)CCC1=O)ON1C(=O)CCC1=O | 1g | 208572581
Bis-PEG4-NHS ester | Broadpharm | 1314378-11-4 | MFCD20228963 | 488.446 | C20H28N2O12 | 98.000 | O=C(CCOCCOCCOCCOCCC(=O)ON1C(=O)CCC1=O)ON1C(=O)CCC1=O | 1g | 208572581
Medchemexpress LLC HY-131955 250mg Medchemexpress, Fmoc-NH-PEG2-NH2 CAS:190249-87-7 Purity:>98%
Medchemexpress, HY-131955 250mg Fmoc-NH-PEG2-NH2 CAS:190249-87-7 Fmoc-NH-PEG2-NH2 is a cleavable ADC linker used in the synthesis of antibody-drug conjugates (ADCs). 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.
Medchemexpress LLC Aminooxy-PEG5-azide | 1919045-02-5 | 98.3% | 100 MG
Aminooxy-PEG5-azide is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs. This click chemistry reagent contains an azide group, allowing it to undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) reactions with molecules containing alkyne groups. It can also participate in strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.
- Functions as a PEG-based PROTAC linker
- Utilized in the synthesis of PROTACs
- Acts as a click chemistry reagent
- Features an azide group for CuAAc reactions
- Capable of SPAAC reactions with DBCO or BCN groups
eMolecules 1421933-37-0 | Mal-PEG4-alcohol | Broadpharm | MFCD23378564 | 273.285 | C12H19NO6 | 98.000 | OCCOCCOCCOCCN1C(=O)C=CC1=O | 1g | 550803929
Mal-PEG4-alcohol | Broadpharm | 1421933-37-0 | MFCD23378564 | 273.285 | C12H19NO6 | 98.000 | OCCOCCOCCOCCN1C(=O)C=CC1=O | 1g | 550803929
Medchemexpress LLC Dspe-thiol | 144735-82-0 | MFCD29079392 | 90.0% | 836.19 g/mol | C44H86NO9PS | 1 MG
DSPE-Thiol is a thiol-capped distearoylphosphatidylethanolamine used to introduce reactive sulfhydryl groups into lipid assemblies. The thiol headgroup enables selective covalent coupling via thiol-maleimide chemistry and can be used to create functionalized liposomes or phospholipid dimers.
- Thiol headgroup enables selective reaction with maleimide reagents.
- Facilitates preparation of phospholipid dimers and lipid conjugates.
- Useful for liposome functionalization and surface modification.
- Supplied as a research-grade phospholipid with documented purity and molecular data.
Medchemexpress LLC Dnp-peg4-acid | 858126-76-8 | 1 G
DNP-PEG4-acid is a PEG-based PROTAC linker designed for use in the synthesis of PROTACs. PROTACs are compounds featuring two ligands connected by a linker: one targeting an E3 ubiquitin ligase and the other targeting a specific protein. These compounds utilize the intracellular ubiquitin-proteasome system to facilitate the selective degradation of target proteins.
- Peg-based PROTAC linker
- Used for the synthesis of PROTACs
- Leverages the intracellular ubiquitin-proteasome system
- Facilitates selective degradation of target proteins
- Appearance: viscous liquid
- Color: colorless to light yellow
Chemscene ChemScene | Hydroxy-PEG1-(CH2)2-Boc | 5G | CS-0047718 | 0.96 | 671802-00-9| MFCD22056310 | 190.24
ChemScene | Hydroxy-PEG1-(CH2)2-Boc | 5G | CS-0047718 | 0.96 | 671802-00-9| MFCD22056310 | 190.24
Medchemexpress LLC Propargyl-PEG4-O-C1-Boc | 2098489-63-3 | 97% | 250 MG
Propargyl-PEG4-O-C1-Boc is a PEG-based PROTAC linker designed for the synthesis of PROTACs. It functions as a versatile click chemistry reagent, featuring an Alkyne group that readily participates in copper-catalyzed azide-alkyne cycloaddition (CuAAC) with molecules containing Azide groups.
- PEG-based PROTAC linker
- Utilized in PROTAC synthesis
- Click chemistry reagent with Alkyne group
- Enables copper-catalyzed azide-alkyne cycloaddition (CuAAC)
- Molecular formula: C17H30O7
- Molecular weight: 346.42
- For research use only
Medchemexpress LLC Mal-PEG5-NHS ester | 1807537-42-3 | 99.04% | 25 MG
Mal-PEG5-NHS ester is an Alkyl/ether and PEG-based PROTAC linker that can be used in the synthesis of PROTACs. PROTACs (Proteolysis Targeting Chimeras) exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins. They contain two different ligands connected by a linker; one is a ligand for an E3 ubiquitin ligase and the other is for the target protein.
- Alkyl/ether and PEG-based PROTAC linker
- Exploits intracellular ubiquitin-proteasome system
- Selectively degrades target proteins
- Contains two different ligands connected by a linker
Cayman Chemical VH 032 LInker 6 10mg
A PROTAC precursor; has been used in the synthesis of PROTACs targeting Bcl-xL in senescent cells