ATT 550 carboxylic acid

ATT 550 Carboxylic acids

Cat. #	Quantity	Price	Lead time
1C990	1 mg	$125.00	in stock
2C990	5 mg	$325.00	in stock
4C990	25 mg	$850.00	in stock
5C990	50 mg	$1490.00	in stock
6C990	100 mg	$1990.00	in stock

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ATT 550 is a yellow-fluorescent Rhodamine 6G and Rhodamine B-related dye with high fluorescence quantum yield, strong thermal and photostability, and excellent water solubility. ATT 550 is a cationic dye. After coupling to a substrate, the dye carries a net electrical charge of +1.

АТТ 550 carboxylic acid is a non-reactive form of АТТ 550 dye that can be used as a reference standard in experiments involving АТТ 550 dye conjugates. Besides, the carboxylic group can react with hydrazines, hydroxylamines, and amines using carbodiimides such as EDAC.

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Absorption and emission spectra of ATT 550

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General properties

Appearance:	dark reddish-brown crystals
Molecular weight:	593.77
Molecular formula:	C₃₇H₄₃N₃O₄
Solubility:	water, DMF, DMSO
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.
MSDS:	Download
	Product specifications

Spectral properties

Excitation/absorption maximum, nm:	556
Emission maximum, nm:	574
CF₂₆₀:	0.27
CF₂₈₀:	0.20

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.