Protein Modification Reagents
eMolecules Mal-PEG3-alcohol | 146551-23-7 | MFCD28142465 | 1g
Broadpharm | Mal-PEG3-alcohol | 1g | 296213748 | BP-22340 | 98.000 | 146551-23-7 | MFCD28142465 | 229.232 | C10H15NO5
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![eMolecules Broadpharm / N-(m-PEG9)-N-(PEG5-acid)-Cy5 / 1mg / 298819341 / BP-23010 / 97.000 / 2107273-26-5 / [null] / 1093.790 / C57H89ClN2O16](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502464211.JPG-250.jpg)
eMolecules Broadpharm / N-(m-PEG9)-N-(PEG5-acid)-Cy5 / 1mg / 298819341 / BP-23010 / 97.000 / 2107273-26-5 / [null] / 1093.790 / C57H89ClN2O16
Broadpharm / N-(m-PEG9)-N-(PEG5-acid)-Cy5 / 1mg / 298819341 / BP-23010 / 97.000 / 2107273-26-5 / [null] / 1093.790 / C57H89ClN2O16
Medchemexpress LLC Dspe-pSar50 (dspe-polysarcosine50) | 99.91% | 1 MG
DSPE-pSar50 (DSPE-Polysarcosine50) is a pSar-lipid derivative. It is a hydrophilic alternative to PEG and can be used in drug delivery research.
- PSar-lipid derivative
- Hydrophilic alternative to PEG
- Can be used in drug delivery research
Cayman Chemical Boc-NH-PEG3-CH2CoH 25mg
A building block; has been used as a linker in the synthesis of PROTACs targeting MEK; has been used as a spacer in the synthesis of radiolabeled probes for dual labeling of tumor integrin αVβ3 and GRPR in tumor tissue in vivo
Medchemexpress LLC 1,2-distearoyl-sn-glycero-3-phosphoethanolamine N-(polyethylene glycol)-fluorescein | 1000788-53-3 | 90.3% | 3,400 Da | N/A | 100 MG
DSPE-PEG-FITC (MW 3400) is a fluorescein-labeled PEGylated phospholipid consisting of a DSPE lipid conjugated to polyethylene glycol terminated with fluorescein isothiocyanate (FITC). It is supplied as a solid and is used to prepare fluorescently labeled liposomes, micelles, and lipid nanoparticles for tracking, imaging, and surface functionalization in research and development applications.
- Provides a fluorescent FITC probe for lipid-based nanoparticle labeling.
- Enables liposome and micelle labeling for imaging and tracking studies.
- PEG spacer imparts steric stability and reduces aggregation.
- Average molecular weight approximately 3,400 Da for consistent performance.
- Supplied as a solid with reported purity for research use.
![eMolecules Broadpharm / DSG-PEG MW 2000 / 250mg / 761705486 / BP-28069 / 90.000 / 308805-39-2 / [null] / 727.165 / C44H86O7](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502467686.JPG-250.jpg)
eMolecules Broadpharm / DSG-PEG MW 2000 / 250mg / 761705486 / BP-28069 / 90.000 / 308805-39-2 / [null] / 727.165 / C44H86O7
Broadpharm / DSG-PEG MW 2000 / 250mg / 761705486 / BP-28069 / 90.000 / 308805-39-2 / [null] / 727.165 / C44H86O7
Medchemexpress LLC DSPE-PEG-endo-BCN | 92.1% | 5000 (Average) | 1 MG
DSPE-PEG-endo-BCN (MW 5000) is a PEG lipid that can improve the delivery efficiency and tissue specificity of poorly soluble drugs. It can be used in drug delivery research.
- Improves delivery efficiency of poorly soluble drugs
- Enhances tissue specificity
- Suitable for drug delivery research
eMolecules DBCO-PEG1-NHS ester | Broadpharm | 2228857-34-7 | | 517.538 | C28H27N3O7 | 95.000 | O=C(CCC(=O)N1Cc2ccccc2C#Cc2ccccc12)NCCOCCC(=O)ON1C(=O)CCC1=O | 50mg | 393649426
DBCO-PEG1-NHS ester | Broadpharm | 2228857-34-7 | | 517.538 | C28H27N3O7 | 95.000 | O=C(CCC(=O)N1Cc2ccccc2C#Cc2ccccc12)NCCOCCC(=O)ON1C(=O)CCC1=O | 50mg | 393649426
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 Azido-PEG11-azide | 1392284-57-9 | MFCD28385475 | 98.0% | 596.67 | C24H48N6O11 | 5 MG
Azido-PEG11-azide is a PEG11-based diazide linker designed for bioconjugation and linker development applications. It features terminal azide groups on an 11-unit polyethylene glycol chain, providing water solubility and flexibility for click chemistry conjugation.
- Contains azide functional groups at both termini for azide-alkyne cycloaddition.
- PEG11 spacer offers flexibility and improved aqueous solubility.
- High purity suitable for research and synthetic applications.
- Liquid form allows for easy aliquoting and handling.
- Commonly used in bioconjugation, linker screening, and PROTAC synthesis.
Broadpharm endo-BCN-PEG4-NHS ester | 1807501-86-5 | MFCD23704191 | 50 mg
endo-BCN-PEG4-NHS ester | Purity: 95% | Mol Wt: 538.6 | 1807501-86-5 | MFCD23704191 | 50 mg
![eMolecules Broadpharm / DBCO-PEG4-PFP ester / 100mg / 411413975 / BP-24078 / 98.000 / / [null] / 718.674 / C36H35F5N2O8](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502477373.JPG-250.jpg)
eMolecules Broadpharm / DBCO-PEG4-PFP ester / 100mg / 411413975 / BP-24078 / 98.000 / / [null] / 718.674 / C36H35F5N2O8
Broadpharm / DBCO-PEG4-PFP ester / 100mg / 411413975 / BP-24078 / 98.000 / / [null] / 718.674 / C36H35F5N2O8
Medchemexpress LLC (S,R,S)-AHPC-PEG3-NH2 | 2010159-56-3 | MFCD31727698 | 99.3% | 619.77 | C30H45N5O7S | 50 MG
(S,R,S)-AHPC-PEG3-NH2 is a synthesized E3 ligase ligand-linker conjugate that combines an (S,R,S)-AHPC VHL-binding motif with a three-unit polyethylene glycol (PEG3) linker and a terminal amine. It is provided as the free base for use in PROTAC design and E3 ligase binding studies.
- VHL ligand-linker conjugate for PROTAC design and E3 ligase studies
- Three-unit PEG linker provides flexibility and solubility
- Terminal amine enables straightforward conjugation to target ligands
- High purity (99.26%) and molecular weight 619.77 g·mol-1
- Recommended storage: powder -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months), -20°C (1 month)
- Supplied as a 50 MG package
eMolecules N-(Hydroxy-PEG3)-N-bis(PEG4-t-butyl ester) | 2112734-70-8 | MFCD30730366 | 500mg
Broadpharm | N-(Hydroxy-PEG3)-N-bis(PEG4-t-butyl ester) | 500mg | 347153824 | BP-23630 | 98.000 | 2112734-70-8 | MFCD30730366 | 802.009 | C38H75NO16
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Chemscene ChemScene | N3-PEG4-C2-NHS ester | 250MG | CS-0105092 | 0.98 | 944251-24-5| MFCD13184948 | 388.37
ChemScene | N3-PEG4-C2-NHS ester | 250MG | CS-0105092 | 0.98 | 944251-24-5| MFCD13184948 | 388.37