Merck
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41022

Sigma-Aldrich

Atto 495 maleimide

BioReagent, suitable for fluorescence

MDL number:
PubChem Substance ID:
NACRES:
NA.32

Quality Level

product line

BioReagent

form

powder

manufacturer/tradename

ATTO-TEC GmbH

fluorescence

λex 500 nm; λem 524 nm in 0.1 M phosphate pH 7.0

suitability

corresponds to standard for coupling to thiols
suitable for fluorescence

storage temp.

−20°C

SMILES string

[O-]Cl(=O)(=O)=O.CN(C)c1ccc2C=C3C=C\C(C=C3N(CCCC(=O)NCCN4C(=O)C=CC4=O)c2c1)=[N+](\C)C

InChI

1S/C27H31N5O3.ClHO4/c1-29(2)21-9-7-19-16-20-8-10-22(30(3)4)18-24(20)31(23(19)17-21)14-5-6-25(33)28-13-15-32-26(34)11-12-27(32)35;2-1(3,4)5/h7-12,16-18H,5-6,13-15H2,1-4H3;(H,2,3,4,5)

InChI key

IEQSJFQKROSLEM-UHFFFAOYSA-N

Application

Atto fluorescent labels are designed for high sensitivity applications, including single molecule detection. Atto labels have rigid structures that do not show any cis-trans-isomerization. Thus these labels display exceptional intensity with minimal spectral shift on conjugation. Atto 495 maleimide is suitable for fluorescence labeling of thiol/SH containing molecules.

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.

Certificate of Analysis

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Certificate of Origin

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