Fluorescein-PEG6-Acid
- CAS NO.：2055014-69-0
- Empirical Formula: C36H42N2O13S
- Molecular Weight: 742.79
- MDL number: MFCD28505584
- Update Date: 2026-05-28 04:29:23
What is Fluorescein-PEG6-Acid?
Description
Fluorescein-PEG6-Acid is a xanthene dye with excitation/emmission maximum 494/517 nm and a free terminal carboxyl acid. Terminal carboxylic acid can react with primary amine groups in the presence of of activators (e.g. EDC, or HATU) to form a stable amide bond. It be used as quantum yield standard. Hydophilic PEG spacer increases solubility in aqueous media and reduces steric hindrance during binding.
Properties of Fluorescein-PEG6-Acid
| Boiling point: | 917.7±75.0 °C(Predicted) |
| Density | 1.44±0.1 g/cm3(Predicted) |
| solubility | Soluble in Water, DMSO, DMF, DCM |
| pka | 4.28±0.10(Predicted) |
Safety information for Fluorescein-PEG6-Acid
Computed Descriptors for Fluorescein-PEG6-Acid
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