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75999

Sigma-Aldrich

Atto 680 NHS ester

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

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About This Item

MDL number:
MFCD03456139
UNSPSC Code:
12352108
PubChem Substance ID:
93577784
NACRES:
NA.32

product line

BioReagent

Quality Level

100

Assay

≥90% (HPLC)
≥90% (coupling of degree)

form

powder

manufacturer/tradename

ATTO-TEC GmbH

λ

in methanol (with trifluoroacetic acid)

UV absorption

λ: 667-673 nm Amax

suitability

suitable for fluorescence

storage temp.

−20°C

InChI

1S/C31H34N4O8S/c1-4-33-11-5-7-19-13-22-26(15-24(19)33)42-27-16-25-21(14-23(27)32-22)20(18-44(39,40)41)17-31(2,3)34(25)12-6-8-30(38)43-35-28(36)9-10-29(35)37/h13-17H,4-12,18H2,1-3H3

InChI key

PVQYIKUDSQLKDA-UHFFFAOYSA-N

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Application

Molar absorption 120,000 1/M cm, abs: 675 nm, em: 705 nm, QY=0.3, Tfl 1.7 ns (unpublished data); excitation energy acceptor in an acceptor/donor zeolite system.

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.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Energy transfer from dye-zeolite L antenna crystals to bulk silicon.
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Light-harvesting complexes, one of nature's supreme examples of nanoscale engineering, have inspired researchers to construct molecular optical devices, such as photonic wires, which are optimised for efficient transfer of excited-state energy over large distances. The control parameters for the design
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The RNA-world-theory is one possible explanation of how life on earth has evolved. In this context it is of high interest to search for molecular systems, capable of self-organization into structures with increasing complexity. We have engineered a simple catalytic
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Drake, P., et al.
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Over the past two decades, the structure and mechanism of catalytic RNA have been extensively studied; now ribozymes are understood well enough to turn them into useful tools. After we have demonstrated the twin ribozyme mediated insertion of additional nucleotides
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