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Atto 655 NHS ester

SIGMA/76245 - BioReagent, suitable for fluorescence

MDL Number: MFCD03456137
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-76245-1MG-F 1 mg
 $404.00
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λ in ethanol (with 0.1% trifluoroacetic acid)
assay ≥90.0% (HPLC)
extent of labeling ≥90.0%
form powder
InChI 1S/C31H36N4O8S/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/h13-16,20H,4-12,17-18H2,1-3H3
InChI key SPDKWNQUMMQOKX-UHFFFAOYSA-N
manufacturer/tradename ATTO-TEC GmbH
product line BioReagent
Quality Level 100 
SMILES string [S](=O)(=O)([O-])CC1CC([N+](=C3C1=CC4=Nc5c(cc6c(c5)CCCN6CC)OC4=C3)CCCC(=O)ON2C(=O)CCC2=O)(C)C
storage temp. −20°C
suitability suitable for coupling to amines
  suitable for fluorescence
UV absorption λ: 650.0-656.0 nm Amax
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.
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.
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity ≥90.0% (HPLC)
Storage Temp. −20°C
UNSPSC 12352108

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