Biotin and derivatives
Biotium Dyes For Labeling Carbonyls and Carbohydrates Fluorescence Microscopy Cell and Organelle Stains Cell Surface and Membrane Dyes 1/EA
Label live cell surface glycoproteins with biotin for fixable plasma membrane staining or protein extraction GlycoLiner uses novel reactive chemistry for faster more efficient and gentler labeling compared to conventional methods Label 500 wells (200 uL) or ten T75 flasks (10 mL)
Medchemexpress LLC DBCO-Biotin | 1418217-95-4 | MFCD22380751 | 98.5% | 502.63 g/mol | C28H30N4O3S | 100MG
DBCO-Biotin is a dibenzocyclooctyne-linked biotin reagent designed for copper-free click chemistry and efficient biotinylation of azide-functionalized molecules. It is used for catalyst-free conjugation in labeling, enrichment, and linker assembly workflows, including PROTAC synthesis. The reagent is DMSO-soluble and supplied with recommended storage conditions to preserve stability.
eMolecules 55750-61-3 | A-MALEIMIDOACETIC ACID-NHS(AMAS) | AstaTech | MFCD00133523 | 252.182 | C10H8N2O6 | 97.000 | O=C(CN1C(=O)C=CC1=O)ON1C(=O)CCC1=O | 1g | 302808832
A-MALEIMIDOACETIC ACID-NHS(AMAS) | AstaTech | 55750-61-3 | MFCD00133523 | 252.182 | C10H8N2O6 | 97.000 | O=C(CN1C(=O)C=CC1=O)ON1C(=O)CCC1=O | 1g | 302808832
Medchemexpress LLC Biotin LC hydrazide (biotinamidocaproyl hydrazide) | 109276-34-8 | MFCD00077659 | 99.8% | 371.50 g/mol | C16H29N5O3S | 100 MG
Biotin LC hydrazide is a long-chain biotinylation reagent that reacts with periodate-oxidized glycoproteins and glycans to introduce biotin labels for detection, affinity capture, and conjugation workflows. It is carbohydrate-reactive and reported to be more sensitive than simple biotin hydrazide, improving labeling efficiency in biochemical assays.
- Long-chain hydrazide reagent for labeling oxidized carbohydrates.
- Reacts with periodate-oxidized glycoproteins and glycans.
- Higher sensitivity than biotin hydrazide for improved detection.
- Soluble in DMSO for solution preparation.
- Suitable for biotinylation of proteins, glycans, and nucleic acids.
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 DBCO-biotin | 1418217-95-4 | MFCD22380751 | 98.5% | 502.63 g·mol⁻¹ | C28H30N4O3S | 5MG
DBCO-biotin is a dibenzocyclooctyne (DBCO)-linked biotin reagent designed for copper-free, bioorthogonal click chemistry. It enables rapid biotinylation of azide-functionalized molecules for affinity capture, labeling, and conjugation workflows, and is suitable as a linker component in PROTAC and bioconjugation applications.
- Enables copper-free click conjugation to azide-containing molecules.
- Provides a biotin tag for affinity capture and detection.
- High reported purity for consistent experimental performance.
- Available in small research quantities for method development.
- Solid, easy-to-handle form with standard storage recommendations.
Medchemexpress LLC Bis-PEG9-NHS ester 500mg | 1008402-79-6 | 708.71 | C30H48N2O17 | 500 MG
Bis-PEG9-NHS ester is a PEG9-based bifunctional linker bearing two N-hydroxysuccinimide (NHS) ester groups, designed for amine-targeted bioconjugation and linker applications such as PROTAC and ADC synthesis. It provides a hydrophilic spacer to improve solubility and reduce aggregation during conjugation.
- Bifunctional amine-reactive crosslinker with two NHS ester groups.
- PEG9 spacer increases hydrophilicity and solubility in aqueous media.
- Suitable for PROTAC, ADC, and general bioconjugation to primary amines.
- High chemical purity (≥98%) for reliable conjugation performance.
- Viscous, colorless to light yellow material; moisture sensitive - store sealed and protected from moisture.
- Molecular weight ≈ 708.71 g/mol; molecular formula C30H48N2O17.
Medchemexpress LLC Biotin-PEG5-NHS ester | 98.0% | 632.72 | 25 MG
Biotin-PEG5-NHS ester | 98.0% | 632.72 | 25 MG