Janelia Fluor® 646 TFA
Based on 1 Customer Validation
Janelia Fluor 646 TFA (JF646 TFA), a red fluorogenic fluorescent dye, can be used in the synthesis of Janelia Fluor 646 HaloTag and SNAP-Tag ligands. JF646 TFA is used in live cell imaging experiments. 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.
For research use only. We do not sell to patients.
- Purity: 97.79%
- Formula: C31H29F3N2O6Si
- Molecular Weight:610.65
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Storage:
-20°C, sealed storage, away from moisture and light
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)
Biological Activity
JF646 TFA: λmax (nm)=646, λem (nm) =664[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
646
605
Chemical Information
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Appearance Solid
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Molecular Weight 610.65
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Formula C31H29F3N2O6Si
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Color Blue to dark blue
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SMILES
OC(C1=CC=C(C(C(C2=CC=C(C=C2[Si]3(C)C)N4CCC4)=C(C3=C/5)C=CC5=[N+]6CCC/6)=C1)C([O-])=O)=O.FC(C(O)=O)(F)F
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Synonyms
JF646 TFA
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
-20°C, sealed storage, away from moisture and light
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)
Solvent & Solubility
DMSO : 100 mg/mL (163.76 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Purity & Documentation
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Data Sheet (276 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
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Handling Instructions (2659 KB)
References
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 1.6376 mL | 8.1880 mL | 16.3760 mL | 40.9400 mL |
| 5 mM | 0.3275 mL | 1.6376 mL | 3.2752 mL | 8.1880 mL | |
| 10 mM | 0.1638 mL | 0.8188 mL | 1.6376 mL | 4.0940 mL | |
| 15 mM | 0.1092 mL | 0.5459 mL | 1.0917 mL | 2.7293 mL | |
| 20 mM | 0.0819 mL | 0.4094 mL | 0.8188 mL | 2.0470 mL | |
| 25 mM | 0.0655 mL | 0.3275 mL | 0.6550 mL | 1.6376 mL | |
| 30 mM | 0.0546 mL | 0.2729 mL | 0.5459 mL | 1.3647 mL | |
| 40 mM | 0.0409 mL | 0.2047 mL | 0.4094 mL | 1.0235 mL | |
| 50 mM | 0.0328 mL | 0.1638 mL | 0.3275 mL | 0.8188 mL | |
| 60 mM | 0.0273 mL | 0.1365 mL | 0.2729 mL | 0.6823 mL | |
| 80 mM | 0.0205 mL | 0.1023 mL | 0.2047 mL | 0.5117 mL | |
| 100 mM | 0.0164 mL | 0.0819 mL | 0.1638 mL | 0.4094 mL |