TFAX 546, SE

Tocris Bioscience | Catalog # 6623

Yellow fluorescent dye; amine reactive
Tocris Bioscience
Discontinued Product
6623 has been discontinued. View all TFAX Dyes products.

Key Product Details

Description

Yellow fluorescent dye; amine reactive

Wavelength

Excitation = 554 nm, Emission = 570 nm
View all TFAX Dyes »

Product Description

TFAX 546, SE is an amine reactive yellow fluorescent dye. Insensitive to pH in the range 4 - 10. Forms bright and photostable conjugates with proteins and antibodies. Suitable for use in microscopy. Excitation maximum = 554 nm; emission maximum = 570 nm; extinction coefficient = 112,000 M-1cm-1; quantum yield = 0.79.

Optical Data

TFAX 546, SE Dye Spectra
Emission Color Yellow
Brightness
λabs 554 nm
λem 570 nm
Extinction Coefficient (ε) 112000 M-1cm-1
Quantum Yield (φ) 0.79
Closest Laser line 532 nm
Reactive Group NHS ester
Reactivity Primary amines
Cell Permeable No
pH Sensitivity pH insensitive pH 4-10
Application microscopy
Alternative For TMR, Cyanine3, Alexa Fluor 546 SE, AF 546 SE

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Product Specifications for TFAX 546, SE

Molecular Weight

1159.60

Formula

C44H47Cl3N4O14S.(CH3CH2)3NH

Storage

Store at -20°C

Chemical Name

6-[2-Carboxy-3,4,6-trichloro-5-[[2-[[6-[(2,5-dioxo-1-pyrrolidinyl)oxy]-6-oxohexyl]amino]-2-oxoethyl]thio]phenyl]-1,2,3,4,8,9,10,11-octahydro-2,2,4,8,10,10-hexamethyl-12,14-disulfopyrano[3,2-g:5,6-g']diquinolin-13-ium triethylammonium salt

SMILES

ClC(C(Cl)=C1C(O)=O)=C(SCC(NCCCCCC(ON2C(CCC2=O)=O)=O)=O)C(Cl)=C1C(C3=CC4=C(NC(C)(C)CC4C)C(S(=O)([O-])=O)=C3O5)=C6C5=C(S(=O)([O-])=O)C7=[NH+]C(C)(C)CC(C)C7=C6.CC[NH+](CC)CC

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

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Background References

References are publications that support the biological activity of the product.

Product Documents for TFAX 546, SE

Certificate of Analysis

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Product Specific Notices for TFAX 546, SE

For research use only

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