Organometallic Compounds
![Medchemexpress LLC Hydroxylamine, O-[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethyl]- | 1306615-51-9 | 95.0% | 234.25 g/mol | C8H18N4O4 | 5 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000202343.png-250.jpg)
Medchemexpress LLC Hydroxylamine, O-[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethyl]- | 1306615-51-9 | 95.0% | 234.25 g/mol | C8H18N4O4 | 5 MG
Aminooxy-PEG3-azide is a bifunctional PEG linker containing an aminooxy group and an azide handle for oxime ligation and azide-alkyne click chemistry. It is supplied as a liquid and is used for ADC and PROTAC linker synthesis, and for general bioconjugation and small-molecule assembly.
- Bifunctional: aminooxy and azide reactive groups.
- Peg3 spacer provides hydrophilicity and flexibility.
- Suitable for oxime formation with carbonyls and CuAAC click reactions.
- Purity typically 95.0%.
- Stable when stored at -20°C; in solvent short-term storage at lower temperatures recommended.
- Available in small research quantities, such as 5 mg.
Medchemexpress LLC (S,R,S)-AHPC-C2-PEG3-BCN | 2876198-36-4 | 98.4% | 810.01 | 1 MG
(S,R,S)-AHPC-C2-PEG3-BCN is a VHL ligand used for the synthesis of PROTACs. This product is intended for research use only.
- VHL ligand
- Used for the synthesis of PROTACs
- For research use only
Medchemexpress LLC PEG3-C4-OBn | 2381196-79-6 | 99.3% | 250 MG
PEG3-C4-OBn is a polyethylene glycol (PEG)-based PROTAC linker. It is utilized in the synthesis of PROTAC SGK3 degrader-1, a potent SGK3 degrader based on PROTAC technology. This product is for research use only.
- Molecular weight: 296.40
- Formula: C17H28O4
- Appearance: Liquid (density: 1.031 g/cm³)
- Color: Colorless to light yellow
- Shipping: Room temperature in continental US
- Pure form storage: -20°C for 3 years, 4°C for 2 years
- In solvent storage: -80°C for 6 months, -20°C for 1 month
- In vitro solubility: ≥ 100 mg/mL in DMSO
Medchemexpress LLC BCN-exo-PEG3-NH2 | 1841134-72-2 | >95.0% | C19H32N2O5 | 10MG
BCN-exo-PEG3-NH2 is a BCN-functionalized PEG3 amine linker used in bioorthogonal conjugation and PROTAC linker synthesis. It provides a strained alkyne handle and a terminal primary amine to enable modular coupling strategies, and is commonly supplied in research-scale quantities at high reported purity.
- Provides a strained alkyne (BCN) for rapid bioorthogonal click reactions.
- Contains a PEG3 spacer for flexibility and improved solubility.
- Features a terminal primary amine for amide or reductive amination conjugation.
- Suitable for linker construction in targeted degradation and bioconjugation workflows.
- Supplied in research-scale quantities with supplier-reported high purity.
eMolecules 581065-94-3 | Tos-PEG5-Boc | Ambeed | MFCD22574810 | 476.580 | C22H36O9S | 98.000 | Cc1ccc(cc1)S(=O)(=O)OCCOCCOCCOCCOCCC(=O)OC(C)(C)C | 5g | 589946119
Tos-PEG5-Boc | Ambeed | 581065-94-3 | MFCD22574810 | 476.580 | C22H36O9S | 98.000 | Cc1ccc(cc1)S(=O)(=O)OCCOCCOCCOCCOCCC(=O)OC(C)(C)C | 5g | 589946119
Medchemexpress LLC BCN-exo-PEG3-NH2 | 1841134-72-2 | 99.9% | 368.47 | 250 MG
BCN-exo-PEG3-NH2 is a PEG-based PROTAC linker primarily used in the synthesis of PROTACs. It acts as a click chemistry reagent, featuring a BCN group that can undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing azide groups. PROTACs leverage the intracellular ubiquitin-proteasome system to selectively degrade target proteins.
- Purity: 99.94%
- Molecular weight: 368.47
- Chemical formula: C19H32N2O5
- CAS number: 1841134-72-2
- Appearance: Colorless to light yellow liquid
- Density: 1.14±0.1 g/cm3
- Used in PROTAC synthesis
- Contains a BCN group for SPAAC reactions
Medchemexpress LLC Tos-PEG3 | 77544-68-4 | 97.0% | 304.36 | 10 G
Tos-PEG3 is a PEG-based PROTAC linker that can be utilized in the synthesis of PROTACs. It can also be used for the synthesis of 3'-aminooxy oligonucleotides solid supports.
- Utilized in the synthesis of PROTACs.
- Can be used for the synthesis of 3'-aminooxy oligonucleotides solid supports.
Medchemexpress LLC Bis-PEG5-acid 100mg | 439114-13-3 | 100 MG
Bis-PEG5-acid is a polyethylene glycol (PEG) based bifunctional linker with two terminal carboxylic acids. It serves as a hydrophilic spacer for PROTAC synthesis and bioconjugation, enabling formation of amide or ester bonds while improving solubility and flexibility.
- Hydrophilic polyethylene glycol spacer.
- Two terminal carboxylic acids for coupling reactions.
- High purity suitable for research applications.
- Solid form, convenient for storage and handling.
- Available in laboratory pack sizes including 100 mg.
Medchemexpress LLC Azido-PEG3-SSPy | 98.6% | 344.45 g·mol⁻¹ | C13H20N4O3S2 | 100 MG
Azido-PEG3-SSPy is a cleavable three-unit polyethylene glycol (PEG3) linker used for assembling antibody-drug conjugates (ADCs) and general bioconjugation. It contains an azide functional group enabling copper-catalyzed azide-alkyne cycloaddition (CuAAC) and is compatible with strain-promoted azide-alkyne cycloaddition (SPAAC) with DBCO or BCN partners.
- Cleavable disulfide linker for controlled release.
- Azide-functionalized for CuAAC click chemistry.
- Compatible with SPAAC (DBCO and BCN) reactions.
- High purity suitable for conjugation workflows.
- Multiple pack sizes available for research use.