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ATT 550 NHS ester

NHS酯类 ATT 550

目录号	数量	价格	提前通知时间
1C920	1 mg	$159	现货
2C920	5 mg	$640	现货
4C920	25 mg	$1640	现货
5C920	50 mg	$2090	现货
6C920	100 mg	$2840	现货

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ATT 550 NHS ester is an amine-reactive dye for labeling various amine-containing molecules in the aqueous phase. To prepare labeling solutions, dissolve the reagent in anhydrous, amine-free DMF, or DMSO immediately before use.

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.

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General properties

Appearance:	dark reddish-brown crystals
Molecular weight:	791.30
Molecular formula:	C₄₁H₄₇ClN₄O₁₀
Solubility:	good in acetonitrile, DMF, methylene chloride; moderate in ethyl acetate; poor in water; insoluble in diethyl ether
Quality control:	NMR ¹H and HPLC-MS (95+%)
Storage conditions:	12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate.
安全数据表（MSDS）:	下载
	产品规格

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.