| Bioactivity | Janelia Fluor? 669, SE (JF669, SE), a red fluorescent dye, can be directly reacted with the available thiol-containing HaloTag ligand under mild conditions (DIEA, DMF) to afford a JF669?HaloTag ligand in a single step (Ex = 669 nm; Em = 682 nm)[1]. Janelia Fluor? products are licensed under U.S. Pat. Nos. 9,933,417, 10,018,624 and 10,161,932 and other patents from Howard Hughes Medical Institute. Storage: protect from light. |
| Invitro | JF669 undergoes rapid conversion to thioether product (JF669 displays comparatively excellent photostability, retaining 97% fluorescence after the same number of cycles[1]. |
| Name | Janelia Fluor® 669, SE |
| CAS | 2127150-20-1 |
| Formula | C34H30F3N3O6SSi |
| Molar Mass | 693.76 |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | Please store the product under the recommended conditions in the Certificate of Analysis. |
| Reference | [1]. Jonathan B Grimm, et al. General Synthetic Method for Si-Fluoresceins and Si-Rhodamines. ACS Cent Sci. 2017 Sep 27;3(9):975-985. |
Janelia Fluor® 669, SE
CAS: 2127150-20-1 F: C34H30F3N3O6SSi W: 693.76
Janelia Fluor? 669, SE (JF669, SE), a red fluorescent dye, can be directly reacted with the available thiol-containing H
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