Biotin and derivatives
Medchemexpress LLC Biotin-labeled agatolimod sodium | 00-00-0 | 97.2% | 10MG
Biotin-labeled agatolimod sodium is a biotin-conjugated CpG oligodeoxynucleotide sodium salt that functions as a Toll-like receptor 9 (TLR9) agonist for immunology research. Supplied as a white to off-white solid with high reported purity, it is intended for TLR activation assays, biotin-based affinity capture, and detection workflows.
- Biotin tag enables streptavidin-based capture and detection.
- Acts as a TLR9 agonist for immune activation studies.
- High purity suitable for in vitro assays.
- Supplied as a sodium salt solid for stable handling.
- Storage compatible with frozen, sealed, moisture-free conditions.
![eMolecules 58-85-5 | D-(+)-Biotin | Apollo Scientific | MFCD00005541 | 244.310 | C10H16N2O3S | 98.000 | OC(=O)CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@H]12 | 10g | 600856428](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000163892.jpg-250.jpg)
eMolecules 58-85-5 | D-(+)-Biotin | Apollo Scientific | MFCD00005541 | 244.310 | C10H16N2O3S | 98.000 | OC(=O)CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@H]12 | 10g | 600856428
D-(+)-Biotin | Apollo Scientific | 58-85-5 | MFCD00005541 | 244.310 | C10H16N2O3S | 98.000 | OC(=O)CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@H]12 | 10g | 600856428
eMolecules 2207596-93-6 | M-DPEG12-NHS ESTER | AstaTech | MFCD13184970 | 685.761 | C30H55NO16 | 95.000 | COCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)ON1C(=O)CCC1=O | 1g | 441565002
M-DPEG12-NHS ESTER | AstaTech | 2207596-93-6 | MFCD13184970 | 685.761 | C30H55NO16 | 95.000 | COCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)ON1C(=O)CCC1=O | 1g | 441565002
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 Sulfo-TAG NHS ester disodium | 482618-42-8 | C43H39N7Na2O16RuS4 | 1 MG
Sulfo-TAG NHS ester disodium is an N-hydroxysuccinimide ester designed for coupling to proteins via primary amine groups. It is effectively utilized for antibody labeling applications.
- N-hydroxysuccinimide ester
- Couples to proteins via primary amine groups
- Used for antibody labeling
- Soluble in DMSO and H2O
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 Nhs-peg1-ss-peg1-nhs | 1688598-83-5 | MFCD32644554 | 98.0% | 436.41 | 100 MG
NHS-PEG1-SS-PEG1-NHS is a reversible linker designed for conjugating biomacromolecules with active small molecules. It is suitable for applications involving proteins, liposomes, or nanoparticles, and is intended for research use only.
- Reversible linker for biomacromolecule conjugation
- Can be used with active small molecules
- Applicable in proteins, liposomes, or nanoparticles
- For research use only
Medchemexpress LLC DBCO-PEG12-NHS ester | 2093934-94-0 | 96.12% | C50H71N3O18 | 100 MG
DBCO-PEG12-NHS ester is a PEG-based PROTAC linker designed for the synthesis of PROTACs. It functions as a click chemistry reagent, utilizing a DBCO group to facilitate strain-promoted alkyne-azide cycloaddition (SPAAC) with azide-containing molecules. PROTACs leverage the intracellular ubiquitin-proteasome system for the selective degradation of target proteins.
- Enables synthesis of PROTACs
- Functions as a click chemistry reagent
- Utilizes DBCO group for SPAAC with azide-containing molecules
- Supports selective degradation of target proteins
Medchemexpress LLC Bis-SS-C3-NHS ester | 98604-88-7 | 98.0% | 432.47 g·mol⁻¹ | C16H20N2O8S2 | 5 MG
Bis-SS-C3-NHS ester is a cleavable disulfide-containing NHS ester linker reagent used to conjugate amine-containing payloads during antibody-drug conjugate (ADC) synthesis. It provides a reducible spacer and an activated ester for efficient amide bond formation.
- cleavable disulfide linker for controlled payload release
- nhs ester functional group for amine conjugation
- suitable for antibody-drug conjugate synthesis
- reported high purity for reliable coupling reactions
- store cold and protect from moisture to preserve stability
Biotium Biotinylation Reagents Fluorescent Proteins Nucleotides Other Conjugates Biotin and Streptavidin Conjugates Biotin 1/EA
Biotin-cAMP diisopropylethylammonium salt is a biotin-conjugated cAMP analog thatcan be used to probe cAMP receptors ul liWhite lyophilized solid soluble in water Store at -20C and protect from light MW 826
Medchemexpress LLC Biotin-α-Hypophamine | 99.3% | 1233.48 | 5 MG
Biotin-Oxytocin is a biologically active peptide, also known as Biotin-α-Hypophamine or Biotin-Oxytocic hormone. It is an oxytocin derivative N-terminally labeled with biotin.
- Biologically active peptide
- N-terminally labeled with biotin
- Targets oxytocin receptor
- Involved in GPCR/G protein pathway
Medchemexpress LLC PD-L1 Mouse Biotin 20ug | 20ug
PD-L1 protein serves as a ligand for the inhibitory receptor PDCD1/PD-1 and is critical for maintaining immune tolerance This interaction modulates T cell activation limits effector responses and may stimulate IL10-producing T cell subsets PD-L1 Protein Mouse (Biotinylated HEK293 His) is the recombinant mouse-derived PD-L1 protein expressed by HEK293 with C-His labeled tag
Medchemexpress LLC Sulfo-Cyanine7 NHS ester potassium | 1603861-95-5 | 90.0% | 10 MG
Sulfo-Cyanine7 NHS ester potassium is a water-soluble, amine-reactive N-hydroxysuccinimide (NHS) ester of a near-infrared cyanine dye supplied as the potassium salt. It is used to label primary amines on proteins, peptides, and other biomolecules to produce sulfo-Cyanine7-labeled conjugates for near-IR fluorescence imaging and related research applications.
- Water-soluble near-infrared fluorescent dye.
- Amine-reactive NHS ester for efficient conjugation to proteins.
- Supplied as the potassium salt for enhanced solubility.
- Suitable for labeling proteins, peptides, and other biomolecules.
- Produces stable, near-IR fluorescent conjugates for imaging applications.
Medchemexpress LLC Sulfo-NHS-LC-Biotin sodium | 191671-46-2 | 98.0% | 5 MG
Sulfo-NHS-LC-Biotin sodium is an amine-reactive ester derivative of biotin that cannot pass the intact blood-retinal barrier. It is used to assess vascular permeability of the brain and retinal vasculature.
- Amine-reactive ester derivative of biotin
- Cannot pass the intact blood-retinal barrier
- Can be used to assess vascular permeability of the brain and retinal vasculature
Apexbio Technology LLC Azidobutyric acid NHS ester 50mg
Azidobutyric acid NHS ester is a chemical reagent used to introduce azide functional groups onto biomolecules containing primary amines It is designed to enable the covalent modification of proteins peptides or amino-modified nucleotides facilitating subsequent copper-catalyzed azide-alkyne click chemistry reactions Azidobutyric acid NHS ester exerts its utility by forming stable amide bonds with amino groups under mild aqueous conditions thus providing an azide handle for bioorthogonal labeling Based on these properties Azidobutyric acid NHS ester holds research potential in applications such as bioimaging flow cytometry protein profiling affinity purification and drug conjugation research