March 13, 2025 - Baltimore, MD 21205, USA
| Common Use | Cy5-PEG4-acid is a PEG derivative containing a cyanine dye with excitation/emmission maximum 649/667 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 DCC) to form a stable amide bond. The hydophilic PEG spacer increases solubility in aqueous media . |
| Structure |
|
| PEG Molecular Weight | 766.4 g/mol |
| Functional Group | Acid |
| Purity | 96% |
| Storage | -20°C in the dark |
| Fluorophores | Cy5 |
| Molecular Formula | C43H60ClN3O7 |
Catalog: CDPB-04782
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Datasheet