Biotin and derivatives
Medchemexpress LLC Bis-PEG10 N-hydroxysuccinimide ester | 2221949-02-4 | 95.0% | 752.76 g/mol | C32H52N2O18 | 50 MG
Bis-PEG10 N-hydroxysuccinimide ester is a bifunctional PEG10-based NHS ester linker used for conjugation chemistry. It features two NHS-reactive termini separated by a ten-unit polyethylene glycol spacer, enabling efficient amine coupling, increased aqueous solubility, and flexible linker geometry for targeted conjugate assembly.
- Two NHS ester reactive groups for amine coupling.
- Ten-unit PEG spacer for improved solubility and flexibility.
- Suitable for linker assembly in PROTAC and ADC synthesis.
- Typical purity 95.0%.
- Appearance: colorless to off-white oil.
- Storage: pure form, -20°C; in solvent, -80°C for long-term storage.
Medchemexpress LLC CXADR Mouse Biotin 100ug
CXADR protein is a key component of the epithelial apical junction complex which maintains the integrity of tight junctions and enables leukocyte migration through adhesive interactions with JAML This interaction activates - T cells and promotes tissue repair through cell signaling involving PI3 kinase and MAP kinase CXADR Protein Mouse (Biotinylated HEK293 Avi-His) is the recombinant mouse-derived CXADR protein expressed by HEK293 with C-Avi C-6 His labeled tag
Medchemexpress LLC Norbornene-NHS | 1888335-48-5 | C12H13NO5 | 100 MG
Norbornene-NHS is a click chemistry reagent that functions as a dienophile. It is utilized for conjugation through copper-free Click reactions with tetrazines.
- Classified as a click chemistry reagent.
- Acts as a dienophile.
- Used for conjugation.
- Conjugation occurs via copper-free click reactions.
- Reacts with tetrazines in the conjugation process.
- For research use only and not intended for human use.
Medchemexpress LLC KAT6A protein, human (biotinylated, Avi) | 93.5% | 10UG
KAT6A Protein, Human (Biotinylated, Avi) is a recombinant fragment of the human histone acetyltransferase KAT6A (residues G497-I780), expressed in E. coli and N-terminally labeled with an Avi biotinylation tag. The material is provided at microgram scale for research use, characterized by reducing SDS-PAGE, and has an expected molecular weight of approximately 35.6 kDa.
- Biotinylated via Avi tag for streptavidin-based capture and detection.
- Suitable for protein-protein interaction and binding assays.
- Purity greater than 90% as determined by reducing SDS-PAGE.
- Recombinantly expressed in E. coli for scalable production.
- Covers the KAT6A domain G497-I780 for domain-specific studies.
- Supplied in microgram quantities for biochemical and biophysical assays.
eMolecules N-Boc-PEG11-alcohol | | | 1g
Broadpharm | N-Boc-PEG11-alcohol | 1g | 603111800 | BP-25642 | 98.000 | | | 601.731 | C27H55NO13
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Medchemexpress LLC Bis-PEG25-NHS ester | 2221948-96-3 | MFCD21363290 | 99.8% | 1413.55 | C62H112N2O33 | 50 MG
Bis-PEG25-NHS ester is a bifunctional PEG-based N-hydroxysuccinimide (NHS) ester linker used for bioconjugation, PROTAC linker assembly, and as a cleavable ADC linker. It provides a hydrophilic PEG25 spacer with two NHS reactive groups for amine coupling and conjugation chemistries.
- Bifunctional PEG25 linker with two NHS ester reactive groups.
- Purity: 99.75%.
- Molecular weight: 1413.55.
- Formula: C62H112N2O33.
- CAS number: 2221948-96-3.
- Suitable for PROTAC, ADC, and general bioconjugation applications.
- Storage: store sealed, away from moisture; in solvent: -80°C up to 6 months, -20°C up to 1 month; dry storage at -20°C.
Medchemexpress LLC SPDP-C6-NHS ester | 158913-22-5 | 98.1% | 425.52 g/mol | C18H23N3O5S2 | 250MG
SPDP-C6-NHS ester is an NHS-activated, cleavable linker that contains a disulfide bond and is used for bioconjugation and PROTAC synthesis. The reagent couples to primary amines via its NHS ester and enables reversible linkage through disulfide reduction. It is supplied as a powder with specified storage and stability conditions and is intended for research use only.
- Cleavable disulfide linker for reversible conjugation
- NHS ester reactive toward primary amines
- Suitable for PROTAC synthesis and bioconjugation applications
- High purity (98.1% as listed)
- Available in multiple pack sizes, including 250 mg
- Powder storage recommendations: -20°C for long term, 4°C for shorter term
