Protein Modification Reagents
Worthington Biochemical Corporation ELASTASE 100MG
Two times crystallized. Supplied as an aqueous suspension. This preparation must be diluted to dissolve the enzyme. The diluted enzyme should be 0.22 micron filtered before use. Suitable for the isolation of Type II lung cells.
![eMolecules Broadpharm / endo-BCN-PEG4-Val-Cit-PAB-MMAF / 5mg / 779524272 / BP-29649 / 98.000 / / [null] / 1560.937 / C80H125N11O20](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502473537.JPG-250.jpg)
eMolecules Broadpharm / endo-BCN-PEG4-Val-Cit-PAB-MMAF / 5mg / 779524272 / BP-29649 / 98.000 / / [null] / 1560.937 / C80H125N11O20
Broadpharm / endo-BCN-PEG4-Val-Cit-PAB-MMAF / 5mg / 779524272 / BP-29649 / 98.000 / / [null] / 1560.937 / C80H125N11O20
Medchemexpress LLC Biotin-PEG4-alkyne | 1458576-00-5 | MFCD22380755 | 99.7% | C21H35N3O6S | 10MG
Biotin-PEG4-alkyne is a biotin-labeled polyethylene glycol linker bearing a terminal alkyne group for copper-catalyzed azide-alkyne cycloaddition (CuAAC). Supplied as a high-purity solid, it is intended for bioconjugation workflows, affinity capture and detection, and as a linker in targeted degradation (PROTAC) research.
- Terminal alkyne enables CuAAC click chemistry
- Biotin tag for affinity capture and detection
- PEG4 spacer improves solubility and reduces steric hindrance
- High purity for reproducible conjugation
- Available in small and bulk pack sizes for research needs
Medchemexpress LLC (S,R,S)-ahpc-peg3-n3 | 1797406-80-4 | 99.7% | 645.77 g·mol⁻¹ | C30H43N7O7S | 25 MG
(S,R,S)-AHPC-PEG3-N3 is a VHL E3 ligase ligand-linker conjugate containing a three-unit polyethylene glycol (PEG3) spacer terminated with an azide group. It is designed as a PROTAC building block and for click chemistry conjugation to alkyne-bearing molecules.
- VHL ligand for recruiting von Hippel-Lindau E3 ligase.
- PEG3 spacer with a terminal azide suitable for copper-catalyzed azide-alkyne cycloaddition.
- Intended for PROTAC synthesis and small-molecule conjugation workflows.
- Molecular weight 645.77 g·mol⁻¹; formula C30H43N7O7S.
- High purity (>99.6% by LCMS), suitable for research applications.
- Storage: pure form -20°C (up to 3 years) or 4°C (up to 2 years).
Medchemexpress LLC Biotin-PEG2-C6-azide 25mg | 1011268-29-3 | 513.7 g/mol | C22H39N7O5S | 25 MG
Biotin-PEG2-C6-azide is a PEG-based linker that combines a biotin affinity tag with a terminal azide group for Cu(I)-catalyzed azide-alkyne cycloaddition (click chemistry). It is intended for laboratory research use in bioconjugation, affinity capture, immobilization, and PROTAC construction.
- Contains a terminal azide for copper-catalyzed click chemistry.
- Includes biotin for streptavidin/avidin affinity capture.
- PEG2 spacer improves solubility and provides flexible linkage.
- Suitable for bioconjugation and PROTAC linker synthesis.
- Supplied as a solid for research use only.
TARGETMOL CHEMICALS INC DSPE-PEG 2000 100MG
Also available in 5 mg, 10 mg, 25 mg, 50 mg, 500 mg and bulk. Please contact Fisher for quotes. DSPE-PEG 2000 is a non-toxic and biodegradable amphiphilic copolymer that can be used to form micelles to deliver nanoparticles.
Medchemexpress LLC Alkyne-SNAP | 1104822-07-2 | C18H18N6O2 | 1 MG
Alkyne-SNAP is an alkyne-conjugated benzylguanine. Its benzylguanine moiety reacts with the SNAP-tag, enabling irreversible and covalent labeling of SNAP fusion proteins with an additional alkyne functionality for subsequent click chemistry conjugation.
- Alkyne-conjugated benzylguanine
- Enables irreversible and covalent labeling of SNAP fusion proteins
- Provides alkyne functionality for click chemistry conjugation
- White to off-white solid appearance
- For research use only
- Purity of 99.32%
Cayman Chemical BIOnT PROTAC Fragmnt lbrar 5mg
Customers are supplied with the following data package for EAch fragment purchases: • Aqueous buffer 1H NMR raw data file • Structures and physiochemical properties in an sd file • SPR Clean Screen results The parameters used in the design of the library are: • Heavy atoms ≤ 16 • clogP ≤ 3 • Hydrogen bond donors ≤ 1 • Hydrogen bond acceptors ≤ 3 • tPSA ≤ 60 • Rotatable bonds ≤ 3