Biotin and derivatives
Medchemexpress LLC Cyanine5.5 NHS ester (tetrafluoroborate) | 2375105-86-3 | 767.66 | 5 MG
Cyanine5.5 NHS ester tetrafluoroborate is a member of the cyanine dye series, serving as a common fluorescent marker for biomolecules. It can interact with biomolecules and may bind to double-helical DNA through intercalation, exhibiting enhanced fluorescence upon binding.
- Common fluorescent marker for biomolecules.
- Interacts with biomolecules.
- Binds to double-helical DNA through intercalation, exhibiting enhanced fluorescence.
eMolecules 2231747-18-3 | Medchem Express | N-piperidine Ibrutinib (hydrochloride) | 5mg | 600899891 | HY-130983 | 422.92 | C22H23ClN6O
Ambeed | 4-(Diphenylphosphino)benzaldehyde | 100mg | 633419231 | A844008 | 5068-18-8 | MFCD26743564 | 290.302 | C19H15OP
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![Medchemexpress LLC Succinimidyl 6-[3-(2-pyridyldithio)propionamido]hexanoate | 158913-22-5 | MFCD00083163 | 98.1% | 425.52 g/mol | C18H23N3O5S2 | 1G](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000238902.png-250.jpg)
Medchemexpress LLC Succinimidyl 6-[3-(2-pyridyldithio)propionamido]hexanoate | 158913-22-5 | MFCD00083163 | 98.1% | 425.52 g/mol | C18H23N3O5S2 | 1G
Succinimidyl 6-[3-(2-pyridyldithio)propionamido]hexanoate is an alkyl/ether-based PROTAC linker containing an N-hydroxysuccinimide (NHS) ester for amine coupling and a pyridyldisulfide moiety for thiol-directed conjugation. It is used in PROTAC and bioconjugation synthesis and features a reducible disulfide that enables controlled cleavage in downstream applications.
- Provides an NHS ester for efficient conjugation to primary amines.
- Contains a pyridyldisulfide cleavable disulfide for thiol chemistry.
- Suitable as a linker in PROTAC and bioconjugation synthesis.
- Molecular formula C18H23N3O5S2; molecular weight 425.52 g/mol.
- Soluble in DMSO at approximately 50 mg/mL; may require sonication.
- Store powder at -20°C for long-term stability; solvent solutions require low-temperature storage.
- High purity (98.1%) suitable for research applications.