Biotin and derivatives
Medchemexpress LLC Biotin-Gastrin Releasing Peptide, human TFA | 3085.67 | 10 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.
- Molecular weight: 3085.67
- Chemical formula: C140H218N40O33S3.xC2HF3O2
- Appearance: Solid
- Soluble in DMSO at 100 mg/mL
- Shipping: Room temperature
- Storage (powder): -80°C for 2 years, -20°C for 1 year
- Storage (in solvent): -80°C for 6 months, -20°C for 1 month
Medchemexpress LLC PD-L1 Mouse Biotin 100ug | 100ug
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 (+)-Biotin-SLC | 1864003-57-5 | ≥97.0% | 50 MG
(+)-Biotin-SLC is an alkyl chain-based PROTAC linker designed for use in the synthesis of PROTACs. These molecules contain two different ligands connected by a linker: one targeting an E3 ubiquitin ligase and the other for a specific target protein. PROTACs leverage the intracellular ubiquitin-proteasome system to selectively degrade target proteins.
- Alkyl chain-based PROTAC linker
- Used in the synthesis of PROTACs
- Exploits the intracellular ubiquitin-proteasome system
- Selectively degrades target proteins
- For research use only
Apexbio Technology LLC Biotin-11-dUTP(Synonyms: Biotin-11-deoxyuridine triphosphate, Biotin-11-dUTP lithium salt), 10ul (5 mM), CAS: 1221498-88-9.
Biotin-11-dUTP (CAS 1221498-88-9) is a biotin-conjugated analogue of deoxythymidine triphosphate (dTTP) that can be incorporated enzymatically into DNA or cDNA sequences during polymerase reactions After integration labeled nucleic acid fragments can be detected using streptavidin coupled to horseradish peroxidase (HRP) alkaline phosphatase (AP) fluorescent molecules or bead-based capture systems This approach is frequently utilized in polymerase chain reaction (PCR) nick translation reverse transcription assays and apoptosis studies facilitating DNA probe labeling and molecular analysis workflows
Medchemexpress LLC Azido-PEG6-NHS ester | 2055014-64-5 | 98.0% | 250 MG
Azido-PEG6-NHS ester is a cleavable PEG ADC linker. It is also a PEG- and alkyl/ether-based PROTAC linker. This compound is a click chemistry reagent, featuring an azide group for copper-catalyzed azide-alkyne cycloaddition reactions (CuAAc) and strain-promoted alkyne-azide cycloaddition (SPAAC) reactions.
- Cleavable PEG ADC linker
- Used in antibody-drug conjugate (ADC) synthesis
- PEG- and alkyl/ether-based PROTAC linker
- Suitable for PROTAC synthesis
- Functions as a click chemistry reagent
- Contains an azide group
- Enables copper-catalyzed azide-alkyne cycloaddition (CuAAc) with alkyne-containing molecules
- Participates in strain-promoted alkyne-azide cycloaddition (SPAAC) with DBCO or BCN groups
Medchemexpress LLC NSP-SA-NHS | 199293-83-9 | 99.65% | 100 MG
NSP-SA-NHS is an acridinium ester used for chemiluminescent immunoassay. A rapid and sensitive chemiluminescent immunoassay for Bisphenol A (BPA) has been developed using NSP-SA-NHS-labeled. It is for research use only.
- Used for chemiluminescent immunoassay.
- Enabled the development of a rapid and sensitive chemiluminescent immunoassay of Bisphenol A (BPA).
Medchemexpress LLC Methoxy polyethylene glycol N-hydroxysuccinimide ester | 92451-01-9 | 98.0% | 10MG
Methoxy polyethylene glycol N-hydroxysuccinimide ester, average molecular weight 20,000 Da, is an NHS-activated methoxy-PEG reagent that reacts efficiently with primary amines to form stable amide bonds. It is supplied as a solid for research use and is commonly used for PEGylation of peptides and proteins, linker construction in targeted degraders, and general bioconjugation to improve solubility and pharmacokinetic properties.
- Reacts with primary amines to form stable amide linkages.
- Improves solubility and reduces immunogenicity of conjugates.
- Provides a 20 kDa hydrophilic spacer for linker design.
- Supplied as a high-purity reagent suitable for research applications.
- Compatible with standard coupling and purification workflows.
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 756525-90-3 | m-PEG8-NHS ester | Ambeed | MFCD13184969 | 509.549 | C22H39NO12 | 98.000 | COCCOCCOCCOCCOCCOCCOCCOCCC(=O)ON1C(=O)CCC1=O | 100mg | 714088003
m-PEG8-NHS ester | Ambeed | 756525-90-3 | MFCD13184969 | 509.549 | C22H39NO12 | 98.000 | COCCOCCOCCOCCOCCOCCOCCOCCC(=O)ON1C(=O)CCC1=O | 100mg | 714088003
Medchemexpress LLC DOTA-NHS-ester TFA | 95.0% | 10 MG
DOTA-NHS-ester (TFA) is a chemical linker used for affibody molecules. It finds applications in small animal positron emission tomography (PET), single photon emission computed tomography (SPECT), and CT scanning. This product is also suitable for labeling radiotracers or imaging probes for tumor detection.
- Utilized as a linker for affibody molecules
- Applied in small animal positron emission tomography (PET)
- Applied in single photon emission computed tomography (SPECT)
- Applied in CT scanning
- Used to label radiotracers
- Used to label imaging probes for tumor detection