Biotin and derivatives
Medchemexpress LLC Biotin-PEG-thiol (MW 2000) | 98.0% | 2000 (Average) | 100 MG
Biotin-PEG-Thiol (MW 2000) is an active compound. It is pegylated by binding to streptavidin or antibiotin with high affinity and specificity, allowing it to modify biomolecules, proteins, peptides, and other small molecule materials. This compound is widely used in the research of agent release and nano new materials.
- Purity: 98.0%
- Molecular weight: 2000 (Average)
- Target: Fluorescent dye
- Pathway: Others
- In vitro solubility: DMSO: 125 mg/mL (Need ultrasonic)
- Storage conditions: -20°C, protect from light, stored under nitrogen. In solvent: -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen).
Medchemexpress LLC AMT-NHS | 2925268-86-4 | 98.7% | 443.47 | 25 MG
AMT-NHS is an RNA-protein crosslinker, composed of a psoralen derivative and an N-hydroxysuccinimide ester group. These groups react with RNA bases and primary amines of protein, respectively.
- Can penetrate into living yeast cells
- Crosslinks Cbf5 to H/ACA snoRNAs with high specificity
- Induces different crosslinking patterns
- Targets both single- and double-stranded regions of RNA
- Used for capturing diverse RNA-protein interactions in cells
eMolecules (+)-Biotinamidohexanoic acid hydrazide | 109276-34-8 | MFCD00077659 | 50mg
Chem-Impex | (+)-Biotinamidohexanoic acid hydrazide | 50mg | 386897969 | 22980 | | 109276-34-8 | MFCD00077659 | 371.500 | C16H29N5O3S
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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 ATRA-biotin (biotin-ATRA-conjugate) | 2226143-93-5 | 98.4% | 625.90 | C36H55N3O4S | 5 MG
ATRA-biotin is a biotin-conjugated derivative of all-trans retinoic acid designed to track ATRA localization and interactions in cells and tissues. The biotin moiety permits detection and affinity capture using streptavidin/avidin reagents, facilitating imaging, pull-down, and binding studies. The compound is supplied at high reported purity and includes documentation for characterization and safe handling.
- Biotin tag enables streptavidin-based detection and affinity capture.
- Suitable for tracking ATRA localization in cells and tissue samples.
- High reported purity supports biochemical and cell-based assays.
- Available in multiple pack sizes for scalability of experiments.
- Provided with datasheet, COA, and SDS for characterization and safety.
Medchemexpress LLC AF647-NHS ester (triTEA) | 407627-61-6 | 99.74% | 1259.66 | 25 MG
AF647-NHS ester is an analogue of Alexa Fluor 647, which has an excitation wavelength (λex) of 635 nm (conventional fluorescence detection) / 620 nm (instantaneous detection). The NHS ester functional group allows it to covalently bind to molecules with amino groups such as proteins and antibodies.
- Analogue of Alexa Fluor 647
- Excitation wavelength (λex) of 635 nm (conventional fluorescence detection) / 620 nm (instantaneous detection)
- Features an NHS ester functional group
- Covalently binds to molecules with amino groups
- For research use only
Medchemexpress LLC Cy3 NHS ester | 1393363-07-9 | 99.24% | 590.15 | 25 MG
Cy3 NHS ester is a CY dye, which stands for Cyanine. Cyanine compounds are characterized by having two nitrogen atoms connected by an odd number of methyl units. These dyes are known for their long wavelength, adjustable absorption and emission, high extinction coefficient, good water solubility, and relatively simple synthesis. CY dyes are frequently used for labeling proteins, antibodies, and small molecular compounds. Labeling protein antibodies can be achieved through a straightforward mixing reaction.
- Long wavelength
- Adjustable absorption and emission
- High extinction coefficient
- Good water solubility
- Relatively simple synthesis
- Often used for labeling proteins, antibodies, and small molecular compounds
- Protein antibody labeling can be completed through a simple mixing reaction
FUJIFILM BIOSCIENCES INC Phos-tag Biotin 0.1 mL
Phos-tag Biotin is a phospate-binding legand to detect phosphorylated proteins on a PVDF membrane Recommended when anti-phosphorylated antibodies are not available regardless of the type of phosphorylation
Medchemexpress LLC Bz-(Me)Tz-NHS | 1454558-58-7 | C19H20N6O5 | 5 MG
Bz-(Me)Tz-NHS is a click chemistry reagent containing a methyltetrazine group. It is a 3rd generation Click-Linker designed for Cu-free click conjugation.
- Click chemistry reagent
- Contains a methyltetrazine group
- 3rd generation Click-Linker for Cu-free conjugation
- Purity of 95.02%
- Molecular weight of 412.40
- Appears as a purple to purplish red solid
- Soluble in DMSO at 25 mg/mL (60.62 mM)
Medchemexpress LLC M-PEG-NHS ester (MW 10000) | 92451-01-9 | 98.0% | Poly(oxy-1,2-ethanediyl), α-[2-[(2,5-dioxo-1-pyrrolidinyl)oxy]-2-oxoethyl]-ω-methoxy- | 50 MG
M-PEG-NHS ester (MW 10000) is a PEG-based PROTAC linker. It can be used in the synthesis of PROTACs.
- PEG-based PROTAC linker
- Can be used in the synthesis of PROTACs
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
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 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 Azido-PEG16-NHS ester | 2553413-74-2 | 99.9% | C39H72N4O20 | 25 MG
Azido-PEG16-NHS ester is a PEG-based PROTAC linker used in the synthesis of PROTACs. This click chemistry reagent features an Azide group, enabling it to participate in copper-catalyzed azide-alkyne cycloaddition reactions (CuAAc) with Alkyne groups. It also engages in strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups. This compound supports the PROTACs mechanism, which involves two ligands connected by a linker, allowing selective degradation of target proteins via the intracellular ubiquitin-proteasome system.
- PEG-based PROTAC linker
- Contains an Azide group
- Participates in copper-catalyzed azide-alkyne cycloaddition reactions (CuAAc)
- Undergoes strain-promoted alkyne-azide cycloaddition (SPAAC) reactions