Product number: AF-0122

Texas Red NHS ester, single isomer (TR-4-SE)

Amine-reactive rhodamine dye marker for fluorescence labeling, especially for labeling of biomolecules (Abs: 579 nm, Em: 591 nm).

This item is not on stock and has to be re-ordered.

CAS-Number:	178623-11-5
Molecular Weight:	704
Empirical Formula:	C₄₁H₄₄N₄O₁
Absorption [nm]:	579 ± 3
Emission [nm]:	591 ± 3
ε [M-1 cm-1]:	>106 000
Buffer System for Fluorescence Readings:	Methanol
Solubility:	Acetonitril, DMF, DMSO
Appearance (colour):	violett
Appearance (form):	solid (powder)
Storage:	- 20 °C. Keep dry! Keep away from light, especially in solution!
Trade name:	Sulforhodamin 101 succinimidylester, single isomer; TR-4-SE; Texas Red succinimidyl ester, single isomer
Reactive Moiety:	NHS ester, reacts with 1° amines to form a stable amide linkage

This single isomer amine-reactive red fluorescent derivatization reagent may be used for covalent labeling of proteins and alkylamino modified nucleic acids.

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Texas Red NHS ester, single isomer (TR-4-SE)

Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.

Kein gefährlicher Stoff oder gefährliches Gemisch gemäß der Verordnung (EG) Nr. 1272/2008 [CLP].