Biotin and derivatives
Medchemexpress LLC Biotin-DADOO TFA | 194920-57-5 | 95.0% | 100 MG
Biotin-DADOO TFA is a biotinylating reagent that is conjugated to CMC thiosulfate. It can be utilized for the synthesis of biotin-estradiol conjugates, which are used to determine plasma estradiol concentrations through enzyme immunoassay. This product is intended for research use only and is not sold to patients.
- Biotinylating reagent
- Conjugated to CMC thiosulfate
- Used to synthesize biotin-estradiol conjugates
- For research use only
eMolecules 109276-34-8 | (+)-Biotinamidocaproyl hydrazide | Chem-Impex371.500 | C16H29N5O3S | 99.000 | NNC(=O)CCCCCNC(=O)CCCCC1SCC2NC(=O)NC12 | 50mg | 386897969
(+)-Biotinamidocaproyl hydrazide | Chem-Impex | 109276-34-8371.500 | C16H29N5O3S | 99.000 | NNC(=O)CCCCCNC(=O)CCCCC1SCC2NC(=O)NC12 | 50mg | 386897969
Medchemexpress LLC Biotin-Gastrin Releasing Peptide, human TFA | 3085.67 (free base) | 1 MG
Biotin-Gastrin Releasing Peptide, human TFA is a biotinylated gastrin releasing peptide (GRP). Gastrin-releasing peptide (GRP) is a neuropeptide with growth-stimulatory and tumorigenic properties. This product is for research use only.
- Biotinylated gastrin releasing peptide (GRP)
- Functions as a neuropeptide with growth-stimulatory properties
- Functions as a neuropeptide with tumorigenic properties
- For research use only
Medchemexpress LLC TCO-NHS Ester (axial) | 1610931-22-0 | C13H17NO5 | 25 MG
TCO-NHS Ester axial is a click chemistry reagent that functions as a building block in amine reactions. It contains TCO groups, which are capable of undergoing inverse electron demand Diels-Alder (iEDDA) reactions with molecules that contain Tetrazine groups. This product has a purity of ≥98.0% and is intended for research use only.
- Functions as a building block in amine reactions
- Contains TCO groups capable of inverse electron demand Diels-Alder (iEDDA) reactions with Tetrazine groups
- Purity of ≥98.0%
- Appears as a white to off-white solid
- Intended for research use only
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.
Medchemexpress LLC Cyanine5.5 NHS ester (tetrafluoroborate) | 2375105-86-3 | 98.4% | 767.66 | 25 MG
Cyanine5.5 NHS ester tetrafluoroborate belongs to the cyanine dye series and is a common fluorescent marker for biomolecules that can interact with biomolecules. Cyanine dyes may also bind to double-helical DNA through intercalation and exhibit enhanced fluorescence upon binding.
- Belongs to the cyanine dye series
- Common fluorescent marker for biomolecules
- Interacts with biomolecules
- Binds to double-helical DNA through intercalation
- Exhibits enhanced fluorescence upon binding
- For research use only
- 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 50 mg/mL (65.13 mM)
Medchemexpress LLC Norbornene-NHS | 1888335-48-5 | C12H13NO5 | 50 MG
Norbornene-NHS is a click chemistry reagent and a dienophile for conjugation via copper-free Click reaction with tetrazines. It is for research use only and not sold to patients.
- Purity: 92.08%
- Molecular weight: 251.24
- Appearance: Liquid
- Color: Light yellow to yellow
- Used for conjugation via copper-free click reaction
![eMolecules 58-85-5 | D-Biotin | Ochem Incorporation | MFCD00005541 | 244.310 | C10H16N2O3S | 98.000 | OC(=O)CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@H]12 | 1g | 773150948](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000482342.jpg-250.jpg)
eMolecules 58-85-5 | D-Biotin | Ochem Incorporation | MFCD00005541 | 244.310 | C10H16N2O3S | 98.000 | OC(=O)CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@H]12 | 1g | 773150948
D-Biotin | Ochem Incorporation | 58-85-5 | MFCD00005541 | 244.310 | C10H16N2O3S | 98.000 | OC(=O)CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@H]12 | 1g | 773150948
Medchemexpress LLC 1H-Thieno[3,4-d]imidazole-4-pentanamide, hexahydro-2-oxo-N-[6-[[1-oxo-3-(2-pyridinyldithio)propyl] | 129179-83-5 | 99.7% | 539.78 | 50 MG
Biotin-HPDP is a biochemical reagent that can couple with GMPS and label free protein thiols. It is suitable for use as a biological material or organic compound for life science related research.
- Couples with GMPS
- Labels free protein thiols
- Modified surfaces adsorb proteins
Medchemexpress LLC Gggyk-biotin | >99.75% | 706.81 | 5 MG
Gggyk-biotin is a synthetic peptide that serves as a substrate for Sortase A, an enzyme involved in bacterial surface protein anchoring. This peptide is specifically designed to facilitate studies on the substrate specificity of Sortase A, allowing researchers to explore and develop variants of the enzyme with altered substrate preferences.
- Acts as a substrate for Sortase A.
- Useful for studying Sortase A's substrate specificity.
- Can be employed in the development of Sortase A variants with distinct substrate specificities.
- Intended for research purposes and not for human use.
Medchemexpress LLC NHS-MMAF | 1404073-19-3 | 97.2% | 943.18 | 25 MG
NHS-MMAF is a modified MMAF (Monomethyl auristatin F) extracted from patent WO2012143499. It is a potent tubulin polymerization inhibitor and is utilized as an antitumor agent. This product is intended for research use only and is not for sale to patients.
- Potent tubulin polymerization inhibitor
- Antitumor agent
- Research use only
- Soluble in DMSO
- Store at -80°C for up to 6 months or -20°C for up to 1 month (sealed, away from moisture and light)
Medchemexpress LLC Biotin methyl ester 500mg
Biotin methyl ester is a biochemical reagent that can be used as a biological material or organic compound for life science related research
Medchemexpress LLC Biotin-PFP ester | 120550-35-8 | 97.0% | 1 G
Biotin-PFP ester is a biotinylated pentafluorophenyl (PFP) ester reagent used as an alkyl/ether-based PROTAC linker for the synthesis of PROTAC molecules. It provides an activated ester for coupling to amine-containing ligands and a biotin affinity tag for purification or detection.
- Provides a biotin handle for affinity capture and detection.
- Features a PFP-activated ester for efficient coupling to amine-containing ligands.
- Suitable as an alkyl/ether-based linker in PROTAC synthesis workflows.
- Offered in multiple laboratory-scale pack sizes for convenient use.
Medchemexpress LLC Biotin-azide (N-(3-Azidopropyl)biotinamide) | 908007-17-0 | 99.8% | 1 ML
Biotin-azide (N-(3-Azidopropyl)biotinamide) is a highly pure click chemistry reagent. It features a terminal azide group, enabling its use in preparing various biotinylated conjugates. This versatile compound is compatible with both copper-catalyzed azide-alkyne cycloaddition (CuAAc) and strain-promoted alkyne-azide cycloaddition (SPAAC) reactions, offering broad utility in research applications.
- Enables diverse biotinylated conjugate preparation
- Compatible with both copper-catalyzed and strain-promoted click chemistry
- Offers high purity for reliable experimental results
- Primarily used as a biochemical assay reagent in research
- Cited in studies for applications such as isolating transcriptional protein complexes
Medchemexpress LLC DBCO-biotin | 1418217-95-4 | MFCD22380751 | 98.5% | 502.63 g·mol⁻1 | C28H30N4O3S | 10MG
DBCO-Biotin is a bifunctional click-chemistry reagent that links a dibenzocyclooctyne (DBCO) reactive moiety to a biotin affinity tag, enabling copper-free strain-promoted alkyne-azide cycloaddition (SPAAC) for bioconjugation and probe development. Supplied as a high-purity solid for laboratory research, it is commonly used in bioconjugation, affinity enrichment, and linker synthesis applications.
- Enables copper-free click chemistry via DBCO-mediated SPAAC.
- Provides a biotin tag for affinity capture and detection.
- High purity suitable for sensitive bioconjugation workflows.
- Available in small mg-scale quantities for research use.
- Stable when stored under recommended conditions; consult safety data for handling.