Biotin and derivatives
Advanced Chem Tech D-Biotin Amidocaproic acid, Advanced ChemTech
Molecular Weight (g/mol): 357.47
Advanced Chem Tech D-Biotin, Advanced ChemTech
Molecular Weight (g/mol): 244.32
IBA LifeSciences Biotin powder; 2 g
Biotin is a water-soluble B-complex vitamin, also known as vitamin B7 or vitamin H. It binds to the biotin-binding pockets of streptavidin, Strep-Tactin, and Strep-TactinXT with different affinities. As a result, it allows the efficient elution of Strep-tagII or Twin-Strep-tag fusion proteins from Strep-TactinXT, while maintaining the reusability of the resin. It can be used for preparation of Strep-TactinXT elution buffer, Buffer BXT. In addition, biotin can be used for elution of biotinylated proteins from Strep-Tactin, where it binds irreversibly to the resin. Hence, Strep-Tactin cannot be regenerated in this kind of application.
IBA LifeSciences Biotin powder; 5 g
Biotin is a water-soluble B-complex vitamin, also known as vitamin B7 or vitamin H. It binds to the biotin-binding pockets of streptavidin, Strep-Tactin, and Strep-TactinXT with different affinities. As a result, it allows the efficient elution of Strep-tagII or Twin-Strep-tag fusion proteins from Strep-TactinXT, while maintaining the reusability of the resin. It can be used for preparation of Strep-TactinXT elution buffer, Buffer BXT. In addition, biotin can be used for elution of biotinylated proteins from Strep-Tactin, where it binds irreversibly to the resin. Hence, Strep-Tactin cannot be regenerated in this kind of application.
Medchemexpress LLC Biotin-PEG3-acid 250mg | 252881-76-8 | 447.55 g·mol⁻¹ | C19H33N3O7S | 250 MG
Biotin-PEG3-acid is a biotin-labeled PEG3 linker with a terminal carboxylic acid, supplied as a solid for use in conjugation and PROTAC linker synthesis. It provides a hydrophilic spacer arm to attach biotin to small molecules or probes, enabling affinity capture, purification, and detection workflows.
- Biotin-labeled PEG3 linker with carboxylic acid terminus.
- Suitable for coupling chemistries such as amide bond formation.
- Used in PROTAC synthesis, biotinylation, pull-downs, and detection assays.
- Molecular weight 447.55 g·mol⁻¹ and CAS 252881-76-8.
- Purity 98.0%.
- Supplied as a 250 MG solid; other sizes available.
Medchemexpress LLC DBCO-NHS ester 3 25mg | 1393350-27-0 | 416.43 g·mol⁻1 | C24H20N2O5 | 25 MG
DBCO-NHS ester 3 is a DBCO-derived N-hydroxysuccinimidyl ester used as a click-chemistry reagent and ADC linker for bioconjugation. It combines an NHS ester for amine coupling with a DBCO moiety for strain-promoted azide-alkyne cycloaddition, enabling efficient labeling and antibody-drug conjugate synthesis.
- Reacts with primary amines via the NHS ester for stable amide bond formation.
- Enables strain-promoted azide-alkyne cycloaddition (SPAAC) through the DBCO moiety.
- Intended for bioconjugation and antibody-drug conjugate linker synthesis.
- Reported purity 95.55%.
- Solid, white to off-white; powder storage -20°C up to 3 years.
Medchemexpress LLC DBCO-NHS ester 3 100mg | 1393350-27-0 | 416.43 | C24H20N2O5 | 100 MG
DBCO-NHS ester 3 is an amine-reactive dibenzocyclooctyne (DBCO)-based N-hydroxysuccinimide (NHS) ester used as a clickable linker for constructing antibody-drug conjugates and for labeling amine-containing biomolecules via strain-promoted alkyne-azide cycloaddition. Supplied as a 100 MG solid for research use.
- Amine-reactive NHS ester enables covalent coupling to primary amines.
- DBCO moiety supports copper-free click chemistry (SPAAC) with azides.
- Suitable for antibody-drug conjugate linker synthesis and protein labeling.
- Provided in small research-scale solid quantities for laboratory workflows.
- Molecular formula C24H20N2O5; molecular weight 416.43 g/mol.
![eMolecules Medchem Express / Fmoc-NH-PEG11-CH2CH2COOH / 100mg / 532149897 / HY-130870 / / / [null] / 795.920 / C40H61NO15](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502464314.JPG-250.jpg)
eMolecules Medchem Express / Fmoc-NH-PEG11-CH2CH2COOH / 100mg / 532149897 / HY-130870 / / / [null] / 795.920 / C40H61NO15
Medchem Express / Fmoc-NH-PEG11-CH2CH2COOH / 100mg / 532149897 / HY-130870 / / / [null] / 795.920 / C40H61NO15
Apexbio Technology LLC Biotin-11-CTP 1ml (100 mM)
Biotin-11-CTP is a substrate for SP6 T3 and T7 RNA polymerases It can substitute CTP in RNA labeling reactions with biotin during in vitro transcription Biotin-labeled RNA probes can be detected using streptavidin conjugates and are widely utilized in many molecular biology applications such as in situ hybridization and gene expression microarrays
Cell Signaling Technology Goat Anti-Mouse IgG1 Antibody
Goat Anti-Mouse IgG1 Antibody (Biotin Conjugate) 1 mg
