Protein Modification Reagents
eMolecules (Amino-PEG10)-Tri-(Azide-PEG10-ethoxymethyl)-methane HCl Salt | | | 250mg
Broadpharm | (Amino-PEG10)-Tri-(Azide-PEG10-ethoxymethyl)-methane HCl Salt | 250mg | 603111850 | BP-25664 | 98.000 | | | 2374.773 | C102H200N14O47
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![eMolecules Broadpharm / 14-(Azide-PEG4-ethylcarbamoyl)tridecanoic-t-butyl ester / 100mg / 784455327 / BP-29925 / 95.000 / / [null] / 558.761 / C28H54N4O7](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502473290.JPG-250.jpg)
eMolecules Broadpharm / 14-(Azide-PEG4-ethylcarbamoyl)tridecanoic-t-butyl ester / 100mg / 784455327 / BP-29925 / 95.000 / / [null] / 558.761 / C28H54N4O7
Broadpharm / 14-(Azide-PEG4-ethylcarbamoyl)tridecanoic-t-butyl ester / 100mg / 784455327 / BP-29925 / 95.000 / / [null] / 558.761 / C28H54N4O7
Medchemexpress LLC Dspe-peg5000-mal ammonium | 474922-22-0 | 98.4% | (C2H4O)nC51H92N1O13P.H3N | 50 MG
DSPE-PEG5000-Mal ammonium contains DSPE phospholipid and maleimide, making it suitable for preparing nanostructured lipid carriers. It is designed to enhance blood circulation time and provide higher stability for encapsulated agents. This product specifically contains PEG5000 and can be utilized in constructing immune liposomes for the delivery of brain drugs.
- Used to prepare nanostructured lipid carriers
- Enhances blood circulation time
- Provides higher stability for encapsulated agents
- Suitable for brain drug delivery
Medchemexpress LLC N3-PEG11-CH2CH2Br | 2098982-00-2 | MFCD32696701 | >98.0% | 634.56 g/mol | C24H48BrN3O11 | 100 MG
N3-PEG11-CH2CH2Br is an azide-terminated polyethylene glycol (PEG11) linker bearing a terminal bromoethyl group. Supplied as a high-purity research reagent (purity >98%), it is intended for bioconjugation, probe synthesis, and other linker chemistry where azide reactivity and alkyl bromide substitution are required. The hydrophilic PEG spacer enhances solubility in aqueous media, facilitating handling in biochemical assays. Typical pack size: 100 mg.
- Azide-terminated linker for click chemistry.
- Terminal bromoethyl group enables nucleophilic substitution.
- PEG11 spacer improves aqueous solubility.
- High purity suitable for research applications.
- Supplied in small-scale vials for synthesis and probe development.
Medchemexpress LLC 2-(2-azidoethoxy)ethyl 4-methylbenzenesulfonate | 182347-24-6 | MFCD27946436 | 99.8% | 285.32 g/mol | C11H15N3O4S | 100 MG
N3-PEG2-Tos (2-(2-azidoethoxy)ethyl 4-methylbenzenesulfonate) is a small polyethylene glycol (PEG) linker bearing an azide functional group and a tosylate leaving group. It is used as a bifunctional building block for introducing an azide handle and for electrophilic substitution during linker and conjugation chemistry. CAS 182347-24-6; molecular weight 285.32 g/mol.
- Provides an azide handle for click chemistry applications.
- Contains a tosylate leaving group for efficient nucleophilic substitution.
- Small PEG spacer improves solubility and linker flexibility.
- Suitable for linker synthesis and bioconjugation workflows.
- Store at -20 °C, protected from light and moisture.
- High purity reported (~99.8%) for research use.
eMolecules Ald-Ph-PEG3-amine | 1404111-56-3 | MFCD28155203 | 500mg
Broadpharm | Ald-Ph-PEG3-amine | 500mg | 266683177 | BP-22387 | 95.000 | 1404111-56-3 | MFCD28155203 | 324.377 | C16H24N2O5
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Medchemexpress LLC DBCO-PEG4-Val-Cit-PAB-PNP | 2226472-28-0 | 97.3% | 1079.16 | C55H66N8O15 | 50 MG
DBCO-PEG4-Val-Cit-PAB-PNP is a cleavable antibody-drug conjugate (ADC) linker for bioconjugation and click-chemistry applications. It combines a dibenzocyclooctyne (DBCO) moiety for copper-free SPAAC conjugation with a PEG4 spacer for solubility and flexibility, a Val-Cit protease-cleavable dipeptide linked to a PAB self-immolative spacer, and a PNP leaving group for amine-mediated payload attachment.
- Contains DBCO for copper-free strain-promoted azide-alkyne cycloaddition.
- Includes PEG4 spacer to improve solubility and reduce steric hindrance.
- Features Val-Cit dipeptide cleavable by cathepsin B for selective payload release.
- Incorporates a PAB self-immolative spacer to enable rapid payload liberation after cleavage.
- Provides a PNP leaving group for straightforward amine coupling of payloads.
- Suited for synthesis of ADCs and conjugation to azide-bearing molecules.
Medchemexpress LLC Azido-PEG20-alcohol | 1637297-21-2 | C40H81N3O20 | 25 MG
Azido-PEG20-alcohol is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs. It is a click chemistry reagent containing an Azide group, capable of undergoing copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also participate in strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.
- PEG-based PROTAC linker for PROTAC synthesis.
- Click chemistry reagent containing an Azide group.
- Undergoes copper-catalyzed azide-alkyne cycloaddition (CuAAc) with alkyne groups.
- Participates in strain-promoted alkyne-azide cycloaddition (SPAAC) with DBCO or BCN groups.
Worthington Biochemical Corporation PAPAIN DISSOCIATION SYS W/OEBS
Complete kit as described for product Code: PDS, but without the Earle's Balanced Salt Solution (EBSS).
Sigma Aldrich Fine Chemicals Biosciences Collagenase from Clostridium histolyticum release of physiologically active rat pancreatic islets tested, Type XI, 2-5 FALGPA units/mg solid, ≥800 CDU/mg solid | 9001-12-1 | MFCD00130830 | 25mg
Collagenase from Clostridium histolyticum release of physiologically active rat pancreatic islets tested, Type XI, 2-5 FALGPA units/mg solid, ≥800 CDU/mg solid | 9001-12-1 | MFCD00130830 | 25mg
Sigma Aldrich Fine Chemicals Biosciences Collagenase from Clostridium histolyticum powder, suitable for cell culture, >=4 FALGPA units/mg solid, high purity, >=700 CDU/mg solid (CDU = collagen digestion units) | 9001-12-1 | MFCD00130830 | 7.5KU
Collagenase from Clostridium histolyticum powder, suitable for cell culture, >=4 FALGPA units/mg solid, high purity, >=700 CDU/mg solid (CDU = collagen digestion units) | 9001-12-1 | MFCD00130830 | 7.5KU
Sigma Aldrich Fine Chemicals Biosciences Collagenase from Clostridium Histolyticum | 9001-12-1 | MFCD00130830 | 100mg
Collagenase from Clostridium Histolyticum | 9001-12-1 | MFCD00130830 | 100mg
Medchemexpress LLC TOS-PEG2-O-PROPARGYL - 100MG
Tos-PEG2-O-Propargyl is a PEG-based PROTAC linker can be used in the synthesis of Thalidomide-O-PEG2-propargyl (HY-126458).Purity: 98.47%.CAS No. : 1119249-30-7
Chemscene ChemScene | Mal-PEG2-NHS ester | 250MG | CS-0105019 | 0.98 | 1433997-01-3| MFCD24539465 | 354.31
ChemScene | Mal-PEG2-NHS ester | 250MG | CS-0105019 | 0.98 | 1433997-01-3| MFCD24539465 | 354.31
Medchemexpress LLC Dopamine-PEG-N3 MW 50mg
Dopamine-PEG-N3 (MW 2000) (Dopamine-PEG-Azide (MW 2000)) is a compound composed of dopamine PEG segments and an azide group (-N3) Dopamine-PEG-N3 (MW 2000) can be used as a crosslinker to connect different materials together to build new composite materials and improve the performance of materials Dopamine-PEG-N3 (MW 2000) is a click chemistry reagent It contains an azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing an alkyne group