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Merck

18373

Sigma-Aldrich

Atto 647N NHS ester

BioReagent, suitable for fluorescence, ≥90% (HPLC)

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About This Item

Número MDL:
Código UNSPSC:
12352108
NACRES:
NA.32

Línea del producto

BioReagent

Nivel de calidad

Ensayo

≥90% (HPLC)
≥90% (degree of coupling)

Formulario

solid

fabricante / nombre comercial

ATTO-TEC GmbH

λ

in ethanol (with 0.1% trifluoroacetic acid)

Absorción UV

λ: 641-647 nm Amax

idoneidad

suitable for fluorescence

temp. de almacenamiento

−20°C

Descripción general

Atto 647N is a superior red-emitting fluorescence dye with a strong absorption, excellent fluorescence quantum yield (65%), high photostability, excellent ozone resistance, good solubility, and very little triplet formation.

Aplicación

Atto 647N belongs to a new generation of fluorescent labels for the red spectral region. The dye is designed for application in the area of life science, e.g. labeling of DNA, RNA or proteins. Characteristic features of the label are strong absorption, excellent fluorescence quantum yield, high photostability, excellent ozone resistance, good solubility, and very little triplet formation. Atto 647N is a cationic dye. The active ester of Atto 647N fluorescence dye reacts with amino groups under mild conditions. After coupling to a substrate the dye carries a net electrical charge of +1. In common with most Atto-labels, absorption and fluorescence are independent of pH in the range of 2 to 11, used in typical applications. As supplied Atto 647N consists of a mixture of two isomers with practically identical absorption and fluorescence properties.

Información legal

This product is for Research use only. In case of intended commercialization, please contact the IP-holder (ATTO-TEC GmbH, Germany) for licensing.

Producto relacionado

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)


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