Indoles and derivatives
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Medchemexpress LLC Dbco-nhco-peg2-maleimide | 2698339-31-8 | MFCD31747082 | 97.7% | 586.63 | C32H34N4O7 | 5 MG
DBCO-NHCO-PEG2-maleimide is a heterobifunctional PEG-based linker for bioconjugation that combines a strained alkyne (DBCO) with a maleimide group to enable copper-free click chemistry and thiol-specific coupling between azide- and thiol-containing molecules in research applications.
- Enables strain-promoted alkyne-azide cycloaddition (SPAAC) with azides.
- Provides maleimide-mediated thiol conjugation for cysteine residues.
- PEG2 spacer improves solubility and reduces steric hindrance.
- High purity (~97.7%) suitable for research use.
- Yellow to brown solid that is stable when stored at -20°C.
- Molecular weight ~586.63 and formula C32H34N4O7 for reference.
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Medchemexpress LLC Carboxyl diazirine alkyne | 1450754-37-6 | 98.0% | 166.18 | C8H10N2O2 | 25 MG
Carboxyl diazirine alkyne is a photoaffinity labeling reagent containing a diazirine photoreactive group and an alkyne handle for click chemistry. It is used for protein cross-linking, target identification, and inhibition and labeling studies of FTO and related demethylases.
- Contains diazirine photoreactive group for UV-activated covalent cross-linking.
- Alkyne handle enables copper-catalyzed click conjugation for downstream analysis.
- High purity (98.0%) suitable for biochemical assays.
- Supplied in small research quantities, including 25 mg packs.
- Storage: pure form -20°C; in solvent -80°C for long-term stability.
- Appearance: off-white to light yellow solid-liquid mixture.