Protein Modification Reagents
Chemscene ChemScene | Bromo-PEG2-C2-azide | 250MG | CS-0108237 | 0.97 | 530151-56-5| MFCD25424115 | 238.08
ChemScene | Bromo-PEG2-C2-azide | 250MG | CS-0108237 | 0.97 | 530151-56-5| MFCD25424115 | 238.08
eMolecules 2353409-81-9 | Gly-Gly-Gly-PEG3-TCO | Broadpharm515.608 | C23H41N5O8 | 98.000 | NCC(=O)NCC(=O)NCC(=O)NCCOCCOCCOCCNC(=O)OC1CCC\C=C\CC1 | 25mg | 563055167
Gly-Gly-Gly-PEG3-TCO | Broadpharm | 2353409-81-9515.608 | C23H41N5O8 | 98.000 | NCC(=O)NCC(=O)NCC(=O)NCCOCCOCCOCCNC(=O)OC1CCC\C=C\CC1 | 25mg | 563055167
![eMolecules 474922-26-4 | DSPE-PEG-Amine sodium salt, MW 2,000 | Broadpharm915.220 | C47H92N2NaO11P | 0.000 | [Na+].CCCCCCCCCCCCCCCCCC(=O)OCC(COP([O-])(=O)OCCNC(=O)COCCOCCN)OC(=O)CCCCCCCCCCCCCCCCC | 100mg | 627957858](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502499851.JPG-250.jpg)
eMolecules 474922-26-4 | DSPE-PEG-Amine sodium salt, MW 2,000 | Broadpharm915.220 | C47H92N2NaO11P | 0.000 | [Na+].CCCCCCCCCCCCCCCCCC(=O)OCC(COP([O-])(=O)OCCNC(=O)COCCOCCN)OC(=O)CCCCCCCCCCCCCCCCC | 100mg | 627957858
DSPE-PEG-Amine sodium salt, MW 2,000 | Broadpharm | 474922-26-4915.220 | C47H92N2NaO11P | 0.000 | [Na+].CCCCCCCCCCCCCCCCCC(=O)OCC(COP([O-])(=O)OCCNC(=O)COCCOCCN)OC(=O)CCCCCCCCCCCCCCCCC | 100mg | 627957858
Chemscene ChemScene | Azido-PEG2-CH2COOH | 250MG | CS-0028491 | 0.98 | 882518-90-3| MFCD24395877 | 189.17
ChemScene | Azido-PEG2-CH2COOH | 250MG | CS-0028491 | 0.98 | 882518-90-3| MFCD24395877 | 189.17
Medchemexpress LLC Pomalidomide-PEG6-C2-COOH | 2225148-49-0 | 99.0% | C28H39N3O12 | 25 MG
Pomalidomide-PEG6-C2-COOH is a synthesized E3 ligase ligand-linker conjugate that incorporates the Pomalidomide-based cereblon ligand and a 6-unit PEG linker used in PROTAC technology. It has a molecular weight of 609.62 and appears as a viscous liquid, light yellow to yellow in color. This product is for research use only.
- E3 ligase ligand-linker conjugate
- Incorporates Pomalidomide based cereblon ligand
- Contains a 6-unit PEG linker
- Used in PROTAC technology
Medchemexpress LLC (S,R,S)-AHPC-PEG4-NH2 | 2010159-57-4 | MFCD31657338 | 95.6% | 663.83 | C32H49N5O8S | 25 MG
(S,R,S)-AHPC-PEG4-NH2 is an E3 ligase ligand-linker conjugate that combines a VHL-targeting AHPC ligand with a four-unit PEG linker for use in PROTAC design and targeted protein degradation research. It is supplied as a solid powder for laboratory synthesis and biochemical studies.
- Designed for VHL-mediated targeted protein degradation applications.
- Contains a four-unit polyethylene glycol linker to provide flexibility and solubility.
- White to off-white solid powder form suitable for synthesis workflows.
- CAS number 2010159-57-4 for unambiguous identification.
- Molecular weight 663.83 g·mol-1 and formula C32H49N5O8S.
- Recommended storage: powder -20°C (3 years) or 4°C (2 years).
![eMolecules 2141976-33-0 | endo-BCN-Peg3-maleimide | Combi-Blocks, Inc.519.595 | C26H37N3O8 | 95.000 | O=C(CCN1C(=O)C=CC1=O)NCCOCCOCCOCCNC(=O)OC[C@@H]1[C@@H]2CCC#CCC[C@H]12 | 100mg | 569346425](https://assets.fishersci.com/TFS-Assets/CCG/product-images/NC2318776.JPG-250.jpg)
eMolecules 2141976-33-0 | endo-BCN-Peg3-maleimide | Combi-Blocks, Inc.519.595 | C26H37N3O8 | 95.000 | O=C(CCN1C(=O)C=CC1=O)NCCOCCOCCOCCNC(=O)OC[C@@H]1[C@@H]2CCC#CCC[C@H]12 | 100mg | 569346425
endo-BCN-Peg3-maleimide | Combi-Blocks, Inc. | 2141976-33-0519.595 | C26H37N3O8 | 95.000 | O=C(CCN1C(=O)C=CC1=O)NCCOCCOCCOCCNC(=O)OC[C@@H]1[C@@H]2CCC#CCC[C@H]12 | 100mg | 569346425
Medchemexpress LLC Pomalidomide-PEG4-C-COOH | 2097938-44-6 | 99.19% | 507.49 | 50 MG
Pomalidomide-PEG4-C-COOH (Cereblon Ligand -Linker Conjugate 1) is a synthesized E3 ligase ligand-linker conjugate that incorporates a Pomalidomide-based cereblon ligand and a 4-unit PEG linker, which are components used in PROTAC technology. PROTACs utilize the intracellular ubiquitin-proteasome system to selectively degrade target proteins.
- A synthesized E3 ligase ligand-linker conjugate.
- Incorporates Pomalidomide based cereblon ligand.
- Includes a 4-unit PEG linker.
- Used in PROTAC technology.
- Exploits the intracellular ubiquitin-proteasome system to selectively degrade target proteins.
Cayman Chemical C16 MPEG 2000 CeramIded1810mg
A PEGylated form of C16 ceramide; has been used in the generation of microspheres, LNPs, and liposomes for the delivery of small molecules, mRNA, and plasmid DNA in vitro and in vivo; liposomes containing C16 ceramide-mPEG(2000) with a stearylated-INF7 and have been used to transfect plasmid DNA into MFLM-4 cells; microspheres containing C16 ceramide-mPEG(2000) and encapsulating oxaliplatin increase survival and decrease the number of small intestine, colon, and cecum polyps in an Apc+/Minz spontaneous colorectal adenoma mouse model
eMolecules 1807537-41-2 | AZD-PEG2 -PFP | Broadpharm | MFCD27635165 | 572.485 | C26H25F5N2O7 | 98.000 | Fc1c(F)c(F)c(OC(=O)CCOCCOCCC(=O)Nc2ccc(CCC(=O)N3CCC3=O)cc2)c(F)c1F | 100mg | 229582342
AZD-PEG2 -PFP | Broadpharm | 1807537-41-2 | MFCD27635165 | 572.485 | C26H25F5N2O7 | 98.000 | Fc1c(F)c(F)c(OC(=O)CCOCCOCCC(=O)Nc2ccc(CCC(=O)N3CCC3=O)cc2)c(F)c1F | 100mg | 229582342
Medchemexpress LLC N3-PEG2-C2-NHS ester | 1312309-64-0 | MFCD20926376 | ≥98.0% | 300.27 | C11H16N4O6 | 250 MG
N3-PEG2-C2-NHS ester is an azide-functionalized PEG2 NHS ester linker used for bioconjugation and the synthesis of antibody-drug conjugates. The molecule contains an NHS ester for coupling to primary amines and an azide group enabling click chemistry (copper-catalyzed azide-alkyne cycloaddition and strain-promoted cycloaddition). It is provided as a high-purity liquid and is soluble in DMSO for research-scale conjugation.
- Azide-functionalized PEG2 linker for click chemistry
- NHS ester for efficient amine coupling
- High purity (≥98.0%) for reliable conjugation
- Soluble in DMSO (approx. 100 mg/mL) for stock solutions
- Stable when stored dry at -20°C for extended periods
Medchemexpress LLC Mal-PEG2-oxyamine | 1146245-73-9 | MFCD00209801 | 95.0% | 244.24 g·mol⁻¹ | C10H16N2O5 | 5 MG
Mal-PEG2-oxyamine is a PEG-based bifunctional linker used in the synthesis of proteolysis-targeting chimeras (PROTACs). It contains a maleimide group and an oxyamine moiety separated by a PEG2 spacer, enabling thiol-maleimide coupling and oxime ligation for efficient bioconjugation. The free base can be prone to instability; a TFA salt is available to improve stability.
- Bifunctional maleimide and oxyamine reactive groups.
- PEG2 spacer provides flexibility and improved solubility.
- Compatible with thiol conjugation and oxime ligation chemistries.
- Offered as a small-scale reagent (e.g., 5 mg) with reported purity around 95%.
Medchemexpress LLC 4,7,10,13-tetraoxapentadecanoic acid, 15-hydroxy-, 1,1-dimethylethyl ester | 518044-32-1 | 99.3% | 322.39 g/mol | C15H30O7 | 10 G
Hydroxy-PEG4-(CH2)2-Boc is a PEG-based linker reagent used for conjugation chemistry, including antibody-drug conjugates (ADCs) and proteolysis-targeting chimeras (PROTACs). It provides a hydrophilic four-unit polyethylene glycol spacer with a terminal hydroxy group and a Boc-protected tert-butyl ester, intended for research use only.
- Provides a four-unit PEG spacer with terminal hydroxy functionality.
- Contains a Boc-protected tert-butyl ester compatible with common synthetic workflows.
- High reported purity suitable for conjugation and linker chemistry.
- Available in multiple pack sizes, including 10 G.
- Stable under recommended storage conditions for long-term use.
eMolecules 17598-96-8 | PEG-14 | Broadpharm | MFCD20926392 | 590.704 | C26H54O14 | 96.000 | OCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO | 250mg | 138794155
PEG-14 | Broadpharm | 17598-96-8 | MFCD20926392 | 590.704 | C26H54O14 | 96.000 | OCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO | 250mg | 138794155