Protein Modification Reagents
Medchemexpress LLC 4,7,10,13-tetraoxapentadecanoic acid, 15-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)- | 518044-36-5 | 99.9% | 1 G
Mal-PEG4-Boc is a PEG-based PROTAC linker suitable for research applications. It has a molecular formula of C19H31NO8 and a molecular weight of 401.45. It appears as a colorless to light yellow oil. This product is for research use only and has not been fully validated for medical applications.
- Peg-based protac linker
- For research use only
- Molecular formula: C19H31NO8
- Molecular weight: 401.45
- Colorless to light yellow oil appearance
- Store at -20°C under nitrogen
- In solvent, store at -80°C for 6 months or -20°C for 1 month under nitrogen
Medchemexpress LLC HY-103605 100mg Medchemexpress, (S,R,S)-AHPC-C6-PEG3-C4-Cl CAS:1835705-55-9 Purity:>98%
Medchemexpress, HY-103605 100mg (S,R,S)-AHPC-C6-PEG3-C4-Cl CAS:1835705-55-9 (S,R,S)-AHPC-C6-PEG3-C4-Cl is a small molecule HaloPROTAC that incorporates the (S,R,S)-AHPC based VHL ligand and 3-unit PEG linker. (S,R,S)-AHPC-C6-PEG3-C4-Cl is capable of inducing the degradation of GFP-HaloTag7 in cell-based assays. Purity:>98% Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.
Medchemexpress LLC HyNic-PEG2-DBCO | 2741281-12-7 | >98.0% | 610.72 g/mol | C34H38N6O5 | 5 MG
HyNic-PEG2-DBCO is a bifunctional PEG2 linker combining a hydrazinonicotinamide (HyNic) reactive handle with a dibenzocyclooctyne (DBCO) moiety for orthogonal bioconjugation. Supplied as a solid (5 mg), it is intended for research use in PROTAC synthesis, protein/antibody conjugation, and copper-free click-chemistry workflows.
- Provides orthogonal conjugation: hydrazone formation and copper-free SPAAC.
- Contains HyNic and DBCO reactive groups for selective coupling.
- PEG2 spacer improves solubility and reduces steric hindrance.
- High purity (>98%) suitable for research applications.
- Supplied as a solid powder for straightforward storage and handling.
- Recommended storage refrigerated at 2-8 °C to preserve stability.
Cayman Chemical Boc-NH-PEG3-OH 250mg
A PEGylated building block; has been used as a spacer in biotinylated heterobifunctional cross-linker agents; has been used as a spacer in near infrared imaging probes for CYP1B1, which is expressed in a variety of tumors; has also been used in the synthesis of graftable peptidomimetics that bind to human αVβ3 integrin and inhibit adhesion of human osteoprogenitor cells to vitronectin
eMolecules 811442-84-9 | T-BOC-N-AMIDO-PEG4-AMINE | AstaTech | MFCD16619339 | 336.429 | C15H32N2O6 | 95.000 | CC(C)(C)OC(=O)NCCOCCOCCOCCOCCN | 5g | 437210422
T-BOC-N-AMIDO-PEG4-AMINE | AstaTech | 811442-84-9 | MFCD16619339 | 336.429 | C15H32N2O6 | 95.000 | CC(C)(C)OC(=O)NCCOCCOCCOCCOCCN | 5g | 437210422
eMolecules 2567199-52-2 | Bis-PEG25-TFP ester | Broadpharm | MFCD21363296 | 1515.532 | C66H106F8O29 | 97.000 | Fc1cc(F)c(F)c(OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)Oc2c(F)c(F)cc(F)c2F)c1F | 100mg | 229582525
Bis-PEG25-TFP ester | Broadpharm | 2567199-52-2 | MFCD21363296 | 1515.532 | C66H106F8O29 | 97.000 | Fc1cc(F)c(F)c(OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)Oc2c(F)c(F)cc(F)c2F)c1F | 100mg | 229582525
STA PHARMACEUTICAL US LLC Fmoc-NH-PEG20-CH2CH2COOH | 25 g | CAS 1952360-93-8 | MDL MFCD21363316
Fmoc-NH-PEG20-CH2CH2COOH is a Amino Acid reagent (Subcategory: PEG AA) sold by WuXi TIDES. Offered in 25 g. Store at 4 °C. SDS available for reference.
Specifications
- CAS: 1952360-93-8
- MDL: MFCD21363316
- InChIKey: YIKBHNBKAGGRHQ-UHFFFAOYSA-N
- Molecular Weight: 1192.397
- Molecular Formula: C58H97NO24
- Purity: ≥95%
- Container Type: 125 mL HDPE
- Pack Size: 25 g
- Net Weight: 25 g
- Gross Weight: 54.3 g
- Commodity Code: 29242970
- Country Of Origin: China
- IUPAC: 1-(9H-fluoren-9-yl)-3-oxo-2,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,58,61,64-henicosaoxa-4-azaheptahexacontan-67-oic acid
- SMILES: O=C(CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCNC(OCC1C2=C(C=CC=C2)C3=C1C=CC=C3)=O)O
Medchemexpress LLC DBCO-PEG12-maleimide | 00-00-0 | 98.0% | C52H74N4O17 | 10MG
DBCO-PEG12-maleimide is a PEG12-based bifunctional linker for bioconjugation and PROTAC synthesis. It combines a dibenzocyclooctyne (DBCO) moiety for strain-promoted alkyne-azide cycloaddition and a maleimide group for selective thiol conjugation, providing a flexible, hydrophilic spacer for assembling complex conjugates. Supplied as a high-purity reagent for research use.
- Enables copper-free click chemistry via strain-promoted alkyne-azide cycloaddition.
- Provides thiol-selective conjugation through a maleimide reactive handle.
- Offers a PEG12 spacer to increase solubility and reduce steric hindrance.
- High purity suitable for research applications.
- Stable when stored under recommended conditions.