Protein Modification Reagents
![Medchemexpress LLC Acetamide, 2-[2-(2-azidoethoxy)ethoxy]-N-[2-(2,6-dioxo-3-piperidinyl)-2,3-dihydro-1,3-dioxo-1H-isoindol-4-yl] | 2267306-14-7 | 96.6% | 444.40 | 100 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/default.jpg-250.jpg)
Medchemexpress LLC Acetamide, 2-[2-(2-azidoethoxy)ethoxy]-N-[2-(2,6-dioxo-3-piperidinyl)-2,3-dihydro-1,3-dioxo-1H-isoindol-4-yl] | 2267306-14-7 | 96.6% | 444.40 | 100 MG
Pomalidomide-PEG2-azide is a synthesized E3 ligase ligand-linker conjugate, incorporating a Pomalidomide-based cereblon ligand and a 2-unit PEG linker, for use in PROTAC technology. It functions as a click chemistry reagent, with an Azide group that enables copper-catalyzed azide-alkyne cycloaddition (CuAAc) with Alkyne groups, and strain-promoted alkyne-azide cycloaddition (SPAAC) with DBCO or BCN groups.
- Synthesized E3 ligase ligand-linker conjugate
- Incorporates Pomalidomide-based cereblon ligand and 2-unit PEG linker
- Used in PROTAC technology
- Functions as a click chemistry reagent
- Contains an azide group for CuAAc reactions
- Participates in SPAAC reactions
- For long-term storage, store at -20°C, protected from light
- If in solvent, store at -80°C for 6 months or -20°C for 1 month, protected from light
Medchemexpress LLC PC biotin-PEG3-azide | 1937270-46-6 | 97.8% | 825.93 | C35H55N9O12S | 5 MG
PC Biotin-PEG3-azide is a cleavable three-unit polyethylene glycol linker containing a biotin tag and an azide functional group. It is used for antibody-drug conjugate synthesis and bioconjugation via copper-catalyzed or strain-promoted azide-alkyne cycloaddition.
- Cleavable three-unit PEG linker for ADC and conjugation chemistry.
- Azide functional group compatible with CuAAC and SPAAC reactions.
- Biotin tag enables detection and affinity capture.
- High chemical purity suitable for research applications.
- Available in small research quantities (5 mg, 10 mg, larger by quote).
Medchemexpress LLC DMG-PEG-Mal (MW 2000) | 99.3% | 2000 (Average) | 25 MG
DMG-PEG-Mal (MW 2000) is a PEG lipid designed to enhance the delivery efficiency and tissue specificity of poorly soluble drugs. It is intended for use in drug delivery research.
- Improves the delivery efficiency of poorly soluble drugs.
- Enhances tissue specificity of poorly soluble drugs.
- Suitable for drug delivery research.
Medchemexpress LLC Biotin-PEG6-silane | 00-00-0 | 98.0% | 783.06 g/mol | C34H66N4O12SSi | 5 MG
Biotin-PEG6-silane is a biotinylated PEG6 linker bearing a terminal silane group, intended for use in chemical biology applications such as PROTAC assembly, affinity capture, and surface functionalization. The PEG6 spacer positions the biotin tag while the silane enables surface coupling to silica and glass substrates, supporting conjugation and immobilization workflows.
- Provides a biotin tag with a six-unit PEG spacer.
- Terminal silane enables covalent attachment to silica and glass surfaces.
- Suitable for PROTAC linker assembly and affinity capture workflows.
- PEG spacer improves solubility and reduces steric hindrance.
- High purity for reproducible experimental results.
Medchemexpress LLC Pomalidomide-PEG4-C2-NH2 hydrochloride | 2357105-92-9 | 98.2% | 528.98 | 50 MG
Pomalidomide-PEG4-C2-NH2 hydrochloride is a synthesized E3 ligase ligand-linker conjugate that incorporates the Pomalidomide based cereblon ligand and 4-unit PEG linker used in the synthesis of PROTACs. It is for research use only and not sold to patients.
- E3 ligase ligand-linker conjugate
- Incorporates pomalidomide based cereblon ligand and 4-unit PEG linker
- Used in the synthesis of PROTACs
- Appearance: Solid-liquid mixture
- Color: Light yellow to yellow
Creative Pegworks 4-Arm PEG-Dopamine, MW 20k - 1g
4-Arm PEG-Dopamine has 4 dopamine molecules attached to the four arms through an amide bond. Dopamine (DA, a contraction of 3,4-dihydroxyphenethylamine) is a neuromodulatory molecule that plays several important roles in cells. It is an organic chemical of the catecholamine and phenethylamine families. On the chemical side, polydopamine is polymerized dopamine that is formed from a slightly basic dopamine solution in the presence of oxygen, and it is a bioinspired material from adhesive polyphenolic proteins in mussels.
Medchemexpress LLC Alkyne-cRGD | 2665674-77-9 | 99.5% | 713.78 | 1 MG
Alkyne-cRGD is an integrin ligand that can be used in the study of degraders and undergoes copper-catalyzed azide-alkyne cycloaddition reaction.
- Integrin ligand
- Used in the study of degraders
- Undergoes copper-catalyzed azide-alkyne cycloaddition reaction
STA PHARMACEUTICAL US LLC Fmoc-NH-PEG8-CH2COOH | 1 g | CAS 868594-52-9 | MDL MFCD27635163
Fmoc-NH-PEG8-CH2COOH is a Amino Acid reagent (Subcategory: PEG AA) sold by WuXi TIDES. Offered in 1 g. Store at 4 °C. SDS available for reference.
Specifications
- CAS: 868594-52-9
- MDL: MFCD27635163
- InChIKey: JRLUSGRARXJCNA-UHFFFAOYSA-N
- Molecular Weight: 649.734
- Molecular Formula: C33H47NO12
- Purity: ≥95%
- Container Type: 15 mL HDPE
- Pack Size: 1 g
- Net Weight: 1 g
- Gross Weight: 7.8 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: 1-(9H-fluoren-9-yl)-3-oxo-2,7,10,13,16,19,22,25,28-nonaoxa-4-azatriacontan-30-oic acid
- SMILES: O=C(COCCOCCOCCOCCOCCOCCOCCOCCNC(OCC1C2=CC=CC=C2C3=CC=CC=C31)=O)O
eMolecules 1844894-82-1 | t-Boc-Aminooxy-PEG1-amine | Broadpharm220.269 | C9H20N2O4 | 98.000 | CC(C)(C)OC(=O)NOCCOCCN | 250mg | 368397708
t-Boc-Aminooxy-PEG1-amine | Broadpharm | 1844894-82-1220.269 | C9H20N2O4 | 98.000 | CC(C)(C)OC(=O)NOCCOCCN | 250mg | 368397708
eMolecules Medchem Express | N3-PEG3-vc-PAB-MMAE | 5mg | 446256235 | HY-100874 | MFCD31382118 | 1352.684 | C67H109N13O16
Medchem Express | N3-PEG3-vc-PAB-MMAE | 5mg | 446256235 | HY-100874 | | MFCD31382118 | 1352.684 | C67H109N13O16
Medchemexpress LLC Biotin-PEG4-alcohol | 1217609-84-1 | 98.0% | C18H33N3O6S | 10MG
Biotin-PEG4-OH is a biotinylated polyethylene glycol linker with a terminal hydroxyl group, designed for use as a flexible spacer and affinity tag in chemical biology and PROTAC synthesis. The PEG4 spacer increases solubility and reduces steric hindrance while enabling conjugation to biomolecules and small-molecule ligands.
eMolecules 2141981-87-3 | TCO-PEG2-amine | Broadpharm300.399 | C15H28N2O4 | 95.000 | NCCOCCOCCNC(=O)OC1CCC\C=C\CC1 | 100mg | 433947015
TCO-PEG2-amine | Broadpharm | 2141981-87-3300.399 | C15H28N2O4 | 95.000 | NCCOCCOCCNC(=O)OC1CCC\C=C\CC1 | 100mg | 433947015
![eMolecules 20-(Azide-PEG3-ethylcarbamoyl)nonadecanoic-t-butyl ester | Broadpharm |598.870 | C32H62N4O6 | 98.000 | CC(C)(C)OC(=O)CCCCCCCCCCCCCCCCCCC(=O)NCCOCCOCCOCCN=[N+]=[N-] | 100mg | 784455359](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502473285.JPG-250.jpg)
eMolecules 20-(Azide-PEG3-ethylcarbamoyl)nonadecanoic-t-butyl ester | Broadpharm |598.870 | C32H62N4O6 | 98.000 | CC(C)(C)OC(=O)CCCCCCCCCCCCCCCCCCC(=O)NCCOCCOCCOCCN=[N+]=[N-] | 100mg | 784455359
20-(Azide-PEG3-ethylcarbamoyl)nonadecanoic-t-butyl ester | Broadpharm |598.870 | C32H62N4O6 | 98.000 | CC(C)(C)OC(=O)CCCCCCCCCCCCCCCCCCC(=O)NCCOCCOCCOCCN=[N+]=[N-] | 100mg | 784455359
