Biotin and derivatives
Apexbio Technology LLC Cy3 NHS ester(Et)(Synonyms: Cy3 NHS ester, Cy3 NHS Ester (ethyl), Cyanine3 NHS ester, Cyanine 3 NHS ester, Cy3 Mono NHS Ester), 25mg.
Cy3 NHS ester(Et) is a small molecule commonly employed in biomedical research as a reactive fluorescent reagent Through its N-hydroxysuccinimide (NHS) ester functionality it readily forms stable covalent linkages with primary amine groups present on proteins peptides and other biomolecules Due to its fluorescent character Cy3 NHS ester(Et) is extensively utilized for labeling biological targets enabling visualization and tracking in fluorescence microscopy and imaging analyses This property facilitates investigations into molecular localization trafficking processes and pathology-associated pathways in various experimental models
Medchemexpress LLC Biotin | 58-85-5 | 99.8% | 10 G
Biotin, also known as vitamin B7 or vitamin H, serves as a coenzyme for five carboxylases in humans. It is involved in the synthesis of fatty acids, isoleucine, and valine, as well as in gluconeogenesis. Biotin is essential for cell growth, the production of fatty acids, and the metabolism of fats and amino acids.
- Serves as a coenzyme for five carboxylases in humans
- Involved in the synthesis of fatty acids, isoleucine, and valine
- Involved in gluconeogenesis
- Essential for cell growth
- Essential for the production of fatty acids
- Essential for the metabolism of fats and amino acids
Apexbio Technology LLC Biotin-16-dUTP(Synonyms: Biotin-16-2'-deoxyuridine-5'-triphosphate, Biotin-16-dUTP nucleotide), 10ul (5 mM).
Biotin-16-dUTP is a biotin-labeled nucleotide analog utilized extensively in biomedical research for nucleic acid modification and detection Structurally modified to contain a biotin moiety linked via a 16-carbon spacer this compound functions by enzymatic incorporation into DNA strands mediated by DNA polymerases Following integration the biotin group serves as an affinity tag enabling subsequent detection through biotin-binding proteins such as streptavidin Applications include DNA labeling techniques in fluorescence microscopy and flow cytometry facilitating the visualization and analysis of nucleic acids in vitro
![eMolecules 943858-70-6 | Azidobutyric acid NHS ester | Broadpharm | MFCD22573606 | 226.192 | C8H10N4O4 | 95.000 | [N-]=[N+]=NCCCC(=O)ON1C(=O)CCC1=O | 500mg | 779523831](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000126046.jpg-250.jpg)
eMolecules 943858-70-6 | Azidobutyric acid NHS ester | Broadpharm | MFCD22573606 | 226.192 | C8H10N4O4 | 95.000 | [N-]=[N+]=NCCCC(=O)ON1C(=O)CCC1=O | 500mg | 779523831
Azidobutyric acid NHS ester | Broadpharm | 943858-70-6 | MFCD22573606 | 226.192 | C8H10N4O4 | 95.000 | [N-]=[N+]=NCCCC(=O)ON1C(=O)CCC1=O | 500mg | 779523831
Medchemexpress LLC Bis-PEG30-NHS ester | 95.0% | 1633.81 g·mol⁻¹ | C72H132N2O38 | 10 MG
Bis-PEG30-NHS ester is a homobifunctional, non-cleavable polyethylene glycol (PEG) linker containing 30 ethylene glycol units and two N-hydroxysuccinimide (NHS) ester reactive groups. It is used to conjugate antibodies and other amine-containing biomolecules in antibody-drug conjugate (ADC) synthesis and general bioconjugation. Supplied as a white to off-white powder, it has a molecular weight of 1633.81 g·mol⁻¹ and a reported purity of 95.0%.
- Homobifunctional NHS ester termini for efficient amine coupling.
- 30-unit PEG spacer provides hydrophilicity and distance between conjugated moieties.
- Suitable for antibody-drug conjugate (ADC) synthesis and general bioconjugation applications.
- Powder form with recommended storage at -20°C for long-term stability.
- Characterized by 1H NMR and mass spectrometry to confirm structure and purity.
Medchemexpress LLC Biotin-PEG-amine (MW 2000) | 90.0% | 100 MG
Biotin-PEG-amine (MW 2000) is a PEG-based PROTAC linker that facilitates the synthesis of PROTACs. PROTACs feature two ligands connected by a linker; one targets an E3 ubiquitin ligase, and the other targets a protein of interest. This mechanism exploits the intracellular ubiquitin-proteasome system to selectively degrade target proteins. This product is for research use only.
- PEG-based PROTAC linker
- Enables synthesis of PROTACs
- Utilizes the ubiquitin-proteasome system
- Selectively degrades target proteins
Medchemexpress LLC Biotin-PEG2-NHS ester | 596820-83-6 | 96.7% | C21H32N4O8S | 50 MG
Biotin-PEG2-NHS ester is a biotin-labeled, PEG-based PROTAC linker that can be used in the synthesis of PROTACs.
- For research use only
- White to off-white solid appearance
- Molecular weight of 500.57
- Powder can be stored at -20°C for 3 years
- In solvent, store at -80°C for 6 months or -20°C for 1 month
- Soluble in DMSO at 125 mg/mL
Medchemexpress LLC Biotin-PEG11-amine | 1418022-42-0 | 99.9% | C34H66N4O13S | 100 MG
Biotin-PEG11-amine is a biotin-labeled, PEG-based PROTAC linker. It is designed for use in the synthesis of PROTACs. PROTACs are compounds that exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins by connecting a ligand for an E3 ubiquitin ligase and a ligand for the target protein.
- Biotin-labeled, PEG-based PROTAC linker
- Used in the synthesis of PROTACs
- PROTACs selectively degrade target proteins
- PROTACs utilize the ubiquitin-proteasome system
Medchemexpress LLC Dspe-biotin | 133695-76-8 | 97.5% | 974.36 | C51H96N3O10PS | 25 MG
DSPE-Biotin is a biotin-functionalized phospholipid designed to introduce biotin into lipid-based systems such as liposomes and micelles for streptavidin/avidin-mediated capture, labeling, or immobilization in biochemical and biophysical research applications.
- Biotin functional group enables strong streptavidin/avidin binding.
- Compatible with incorporation into liposomes, micelles, and other lipid assemblies.
- High purity (97.5%) supports reproducible experimental results.
- Solid, off-white to light yellow appearance for easy handling.
- Soluble in DMSO (≈1.3 mg/mL) with sonication and warming to 60°C.
- Store protected from light at -20°C; in solvent, store at -80°C for up to 6 months.
Medchemexpress LLC Biotin-EDA | 111790-37-5 | 97.5% | 100 MG
Biotin-EDA is an alkyl chain-based PROTAC linker used in the synthesis of PROTACs, which consist of two different ligands connected by a linker. These PROTACs leverage the intracellular ubiquitin-proteasome system to selectively degrade target proteins.
- Alkyl chain-based PROTAC linker
- Used in the synthesis of PROTACs
- PROTACs leverage the intracellular ubiquitin-proteasome system
- PROTACs selectively degrade target proteins
![eMolecules 943858-70-6 | N3-C3-NHS ester | TargetMol | MFCD22573606 | 226.192 | C8H10N4O4 | 0.000 | [N-]=[N+]=NCCCC(=O)ON1C(=O)CCC1=O | 50mg | 799230478](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000473986.jpg-250.jpg)
eMolecules 943858-70-6 | N3-C3-NHS ester | TargetMol | MFCD22573606 | 226.192 | C8H10N4O4 | 0.000 | [N-]=[N+]=NCCCC(=O)ON1C(=O)CCC1=O | 50mg | 799230478
N3-C3-NHS ester | TargetMol | 943858-70-6 | MFCD22573606 | 226.192 | C8H10N4O4 | 0.000 | [N-]=[N+]=NCCCC(=O)ON1C(=O)CCC1=O | 50mg | 799230478