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28562

Atto 488 maleimide

Name: Atto 488 maleimide
Brand: SIGMA

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

Sinónimos:

Atto 488

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UNSPSC Code:

12352111

NACRES:

NA.32

MDL number:

MFCD07784936

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Propiedades

product line

BioReagent

Quality Segment

100

assay

≥90% (HPLC), ≥90% (degree of coupling )

manufacturer/tradename

ATTO-TEC GmbH

λ

in methanol: water (1:1) (with 0.1% perchloric acid)

UV absorption

λ: 501-506 nm A_max

suitability

suitable for fluorescence

storage temp.

−20°C

Descripción

General description

Atto 488 Maleimide is a hydrophilic fluorescent label with high molecular absorption (90.000) and quantum yield (0.80). The fluorescence activity is excited at a maximum of 501nm, and the maximum emission is 523nm. Atto 488 Maleimide is optimized for argon laser excitation and characterized by high photostability. Hydrolysis of maleimides to a mixture of isomeric nonreactive maleamic acids can compete significantly with thiol modification, particularly above pH 8. Post coupling to a substrate, the label carries a net electrical charge of -1.

Application

Atto 488 Maleimide is used for labelling amines, which usually requires a higher pH than the reaction of maleimides with thiols. It is a well-suited fluorescent label for thiol groups.

Legal Information

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

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Este artículo	41051	41698	74417
Sigma-Aldrich 28562 Atto 488 maleimide	Sigma-Aldrich 41051 Atto 488	Sigma-Aldrich 41698 Atto 488 NHS ester	Sigma-Aldrich 74417 Atto 488 amine
suitability suitable for fluorescence	suitability suitable for fluorescence	suitability suitable for fluorescence	suitability suitable for fluorescence
Quality Level 100	Quality Level 100	Quality Level 100	Quality Level 100
assay ≥90% (HPLC), ≥90% (degree of coupling )	assay ≥90% (HPLC)	assay ≥90% (HPLC), ≥90% (degree of coupling)	assay ≥90% (HPLC)
storage temp. −20°C	storage temp. −20°C	storage temp. −20°C	storage temp. −20°C
product line BioReagent	product line BioReagent	product line BioReagent	product line BioReagent
UV absorption λ: 501-506 nm A_max	UV absorption λ: 501-507 nm A_max	UV absorption λ: 501-507 nm A_max	UV absorption λ: 502-508 nm A_max

Clase de almacenamiento

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Lot/Batch Number

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