Texas Red® alkyne Single Isomer

Texas Red® alkyne is an excellent azide-reactive fluorescent reagent for labeling alkyne-containing biological molecules through the well known click chemistry. It has the spectral properties identical to those of Texas Red conjugates, thus all the instrument settings of the Texas Red conjugates would be applicable to the applications of Texas Red® alkyne conjugates.

Calculators

Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of Texas Red® alkyne *Single Isomer* to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.

	0.1 mg	0.5 mg	1 mg	5 mg	10 mg
1 mM	155.335 µL	776.675 µL	1.553 mL	7.767 mL	15.533 mL
5 mM	31.067 µL	155.335 µL	310.67 µL	1.553 mL	3.107 mL
10 mM	15.533 µL	77.667 µL	155.335 µL	776.675 µL	1.553 mL

Molarity calculator

Enter any two values (mass, volume, concentration) to calculate the third.

Mass (Calculate)		Molecular weight		Volume (Calculate)		Concentration (Calculate)		Moles
	/		=		x		=

Spectrum

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Product family

Name	Excitation (nm)	Emission (nm)	Extinction coefficient (cm ^-1 M ^-1)	Quantum yield	Correction Factor (260 nm)	Correction Factor (280 nm)	Correction Factor (565 nm)
Texas Red-DHPE CAS 187099-99-6	586	603	116000¹	0.97¹, 0.93²	0.23	0.36	0.4472
Texas Red TCO Single isomer	586	603	116000¹	0.97¹, 0.93²	0.23	0.36	0.4472

References

View all 63 references: Citation Explorer

Fluorescence properties of fluorescein, tetramethylrhodamine and Texas Red linked to a DNA aptamer
Authors: Unruh JR, Gokulrangan G, Wilson GS, Johnson CK.
Journal: Photochem Photobiol (2005): 682

A comparative study of the potential of solid triglyceride nanostructures coated with chitosan or poly(ethylene glycol) as carriers for oral calcitonin delivery
Authors: Garcia-Fuentes M, Prego C, Torres D, Alonso MJ.
Journal: Eur J Pharm Sci (2005): 133

Bead-based cellular analysis, sorting and multiplexing
Authors: Sanchez-Martin RM, Muzerelle M, Chitkul N, How SE, Mittoo S, Bradley M.
Journal: Chembiochem (2005): 1341

Transepithelial transport of fluorescent p-glycoprotein and MRP2 substrates by insect Malpighian tubules: confocal microscopic analysis of secreted fluid droplets
Authors: Leader JP, O'Donnell MJ.
Journal: J Exp Biol (2005): 4363

Purification and fluorescent labeling of the human serotonin transporter
Authors: Rasmussen SG, Gether U.
Journal: Biochemistry (2005): 3494

Page updated on May 19, 2025

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Catalog Number	485
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Physical properties

Molecular weight	643.77
Solvent	DMSO

Spectral properties

Correction Factor (260 nm)	0.23
Correction Factor (280 nm)	0.36
Correction Factor (565 nm)	0.4472
Extinction coefficient (cm ^-1 M ^-1)	116000¹
Excitation (nm)	586
Emission (nm)	603
Quantum yield	0.97¹, 0.93²

Storage, safety and handling

H-phrase	H303, H313, H333
Hazard symbol	XN
Intended use	Research Use Only (RUO)
R-phrase	R20, R21, R22
Storage	Freeze (< -15 °C); Minimize light exposure
UNSPSC	12171501