Biotin and derivatives
![eMolecules 58-85-5 | D-(+)-Biotin | Apollo Scientific US | MFCD00005541 | 244.310 | C10H16N2O3S | 98.000 | OC(=O)CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@H]12 | 10g | 705605965](https://assets.fishersci.com/TFS-Assets/CCG/product-images/default.jpg-250.jpg)
eMolecules 58-85-5 | D-(+)-Biotin | Apollo Scientific US | MFCD00005541 | 244.310 | C10H16N2O3S | 98.000 | OC(=O)CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@H]12 | 10g | 705605965
D-(+)-Biotin | Apollo Scientific US | 58-85-5 | MFCD00005541 | 244.310 | C10H16N2O3S | 98.000 | OC(=O)CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@H]12 | 10g | 705605965
Medchemexpress LLC Biotin-C5-azide | 1260586-88-6 | 98.9% | 255.34 g/mol | C10H17N5OS | 10 MG
Biotin-C5-Azide is a biotinylation reagent containing a terminal azide group for click chemistry. It is intended for research use to prepare biotinylated conjugates via copper-catalyzed or strain-promoted azide-alkyne cycloaddition.
Medchemexpress LLC Bis-biotin-PEG23 | 293298-36-9 | 97.8% | C68H128N6O27S2 | 10MG
Bis-Biotin-PEG23 is a polyethylene glycol (PEG)-based PROTAC linker bearing biotin groups at both termini, designed to facilitate the assembly of bifunctional molecules and to introduce biotin affinity tags for pull-down or detection assays. It is supplied as a solid with high specified purity and is intended for research applications requiring a hydrophilic, flexible spacer.
- Two terminal biotin groups for affinity capture and detection.
- Long PEG23 spacer provides flexibility and improved solubility.
- High purity suitable for analytical and synthetic workflows.
- Solid form allows convenient handling and storage.
- Storage under low temperature and inert atmosphere preserves stability.
Medchemexpress LLC GGGYK-Biotin | 99.8% | 706.81 | 10 MG
GGGYK-Biotin is a substrate peptide designed to study the substrate specificity of Sortase A. It can be used to develop Sortase A variants with different substrate specificities.
- Purity of 99.75%
- Molecular weight of 706.81
- Appears as a white to off-white solid
- Sequence: Gly-Gly-Gly-Tyr-Lys-Biotin
- Formula: C31H46N8O9S
Medchemexpress LLC Sulfo-NHS-Acetate | 152305-87-8 | 98.0% | C6H7NO7S | 100 MG
Sulfo-NHS-Acetate is an alkyl chain-based PROTAC linker that can be used in the synthesis of PROTACs. It is intended for research use only.
- Alkyl chain-based PROTAC linker
- Used in the synthesis of PROTACs
- For research use only
Medchemexpress LLC Pomalidomide-C3-NHS ester | 2828476-87-3 | 98.7% | 456.41 | 50 MG
Pomalidomide-C3-NHS ester is a synthesized E3 ligase ligand-linker conjugate, incorporating the Pomalidomide based cereblon ligand and NHS ester linker. This product is intended for research use only.
- Synthesized E3 ligase ligand-linker conjugate
- Incorporates Pomalidomide based cereblon ligand
- Includes NHS ester linker
- Stable under recommended storage conditions
- Ships at room temperature in continental US
- Stores at 4°C, sealed, away from moisture
- Soluble in DMSO at 100 mg/mL
Medchemexpress LLC M7(3'ma-biotin)gppp(2'ome)apg ammonium solution (25mm) | 90.0% | 1385.00 (free base) | 100 μL
m7(3'Ma-Biotin)Gppp(2'OMe)ApG ammonium is a Biotin-labeled cap analogue that can be used for mRNA synthesis. The efficiency of mRNA delivery can be determined by the detection of Biotin by flow cytometry, which can be used to track mRNA in cells and in living animals and to screen delivery lipid ratios.
- Biotin-labeled cap analogue for mRNA synthesis.
- Can be used to determine the efficiency of mRNA delivery by detecting Biotin via flow cytometry.
- Useful for tracking mRNA in cells and living animals.
- Can be used to screen delivery lipid ratios.
Medchemexpress LLC IL-13 Human Biotin 100ug
IL-13 protein is a cytokine involved in allergic inflammation immune response to parasites and B cell proliferation IL-13 Protein Human (Biotinylated HEK293 Avi-His) is the recombinant human-derived IL-13 protein expressed by HEK293 with C-Avi C-6 His labeled tag
Medchemexpress LLC 5,8,11,14,17-Pentaoxa-2-azaeicosanedioic acid, 1-(1,1-dimethylethyl) 20-(2,5-dioxo-1-pyrrolidinyl) ester | 2055040-78-1 | 96.9% | 506.54 | 250 MG
Boc-N-PEG5-C2-NHS ester is a PEG-based PROTAC linker. It can be used in the synthesis of PROTACs, which exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins.
- PEG-based PROTAC linker
- Used in the synthesis of PROTACs
- Exploits the intracellular ubiquitin-proteasome system
- Selectively degrades target proteins
Medchemexpress LLC Biotin-C10-NHS ester | 887628-40-2 | MFCD05865045 | 99.5% | 524.67 | C25H40N4O6S | 5 MG
Biotin-C10-NHS ester is an alkyl/ether-based PROTAC linker bearing an N-hydroxysuccinimide (NHS) ester and a ten-carbon biotin spacer. It reacts with primary amines to install a biotin handle for affinity capture, target identification, and PROTAC probe construction. The compound is supplied as a solid with reported high purity and recommended low-temperature storage to maintain stability.
- Alkyl/ether-based PROTAC linker suited for probe design.
- NHS ester for efficient coupling to primary amines.
- Ten-carbon biotin spacer for robust affinity capture.
- Supplied as a solid with reported high purity.
- Storage conditions preserve stability (powder -20°C).
Medchemexpress LLC BHQ-2 NHS | 916753-62-3 | 97.7% | 603.58 | 5 MG
BHQ-2 NHS is a dark quencher lacking native emission, attributed to its polyaromatic-azo backbone and a terminal NHS ester. It features a broad and intense quenching range from 560-670 nm, making it suitable for fluorescence resonance energy transfer (FRET) applications when used with orange to far-red emitting dyes. The NHS ester allows for labeling of primary amines (-NH2) on proteins, amine-modified oligonucleotides, and other amine-containing molecules.
- Dark quencher with no native emission.
- Polyaromatic-azo backbone and a terminal NHS ester.
- Wide and intense quenching range from 560-670 nm.
- Useful as an acceptor in FRET applications.
- Can label primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.
- For research use only.
Medchemexpress LLC 2-iminobiotin hydrobromide | 76985-52-9 | MFCD00066150 | 324.24 | C10H18BrN3O2S | 50 MG
2-Iminobiotin hydrobromide is a biotin analogue and a reversible inhibitor of nitric oxide synthases (NOS), used in research to probe NOS-related pathways and neuroprotection mechanisms. It is supplied as the hydrobromide salt and is intended for laboratory research use only.
- Reversible nitric oxide synthase inhibitor for iNOS and n-cNOS.
- Used in neuroscience and neuromodulation research.
- Supplied as a hydrobromide salt for the active molecule.
- Molecular weight 324.24 g/mol; formula C10H18BrN3O2S.
- Available in small research pack sizes, including 50 MG.
Medchemexpress LLC Bis-PEG9-NHS ester 1g | 1008402-79-6 | 1 G
Bis-PEG9-NHS ester is a homobifunctional polyethylene glycol (PEG) linker bearing two N-hydroxysuccinimide (NHS) ester groups. It reacts with primary amines to form stable amide bonds and is used for protein conjugation, PROTAC and antibody-drug conjugate (ADC) linker synthesis. Provided as a high-purity research reagent.
- Homobifunctional PEG9 spacer with two NHS ester reactive groups.
- Enables amine-targeted conjugation to proteins and small molecules.
- PEG spacer increases aqueous solubility and reduces aggregation.
- Suitable for PROTAC and ADC linker synthesis and general bioconjugation.
- High purity for consistent research results.
![eMolecules 943858-70-6 | N3-C3-NHS ester | TargetMol | MFCD22573606 | 226.192 | C8H10N4O4 | 0.000 | [N-]=[N+]=NCCCC(=O)ON1C(=O)CCC1=O | 25mg | 799230477](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000473985.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 | 25mg | 799230477
N3-C3-NHS ester | TargetMol | 943858-70-6 | MFCD22573606 | 226.192 | C8H10N4O4 | 0.000 | [N-]=[N+]=NCCCC(=O)ON1C(=O)CCC1=O | 25mg | 799230477