ROX carboxylic acid, 6-isomer

ROX (Rhodamine X, Rhodamine 101) Carboxylic acids

Cat. #	Quantity	Price	Lead time
22290	5 mg	$115	in stock
42290	25 mg	$319 $239	in stock
62290	100 mg	$512	in stock
82290	1 g	$1850	in stock

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ROX (Rhodamine X, Rhodamine 101) is a red-emitting fluorophore possessing high brightness and fluorescence quantum yield. This reagent is a pure 6-isomer.

ROX carboxylic acid is a non-reactive form of ROX dye that can be used as a reference standard in experiments involving ROX dye conjugates. Besides, the carboxylic group can react with hydrazines, hydroxylamines, and amines using carbodiimides such as EDAC.

Structure of ROX carboxylic acid, 6-isomer

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Absorption and emission spectra of ROX

General properties

Appearance:	dark crystals
Molecular weight:	534.61
Molecular formula:	C₃₃H₃₀N₂O₅
Solubility:	good in DMSO, DMF, methanol, ethanol
Quality control:	NMR ¹H and HPLC-MS (95+%)
Storage conditions:	24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. Avoid prolonged exposure to light.
MSDS:	Download
	Product specifications

Spectral properties

Excitation/absorption maximum, nm:	570
ε, L⋅mol⁻¹⋅cm⁻¹:	93000
Emission maximum, nm:	591
Fluorescence quantum yield:	1.0
CF₂₆₀:	0.62
CF₂₈₀:	0.49

This Product is offered and sold for research purposes only. It has not been tested for safety and efficacy in food, drug, medical device, cosmetic, commercial or any other use. Supply does not express or imply authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, in the manufacture of food or pharmaceutical products, in medical devices or in cosmetic products.