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Quasar® 570 carboxy acid is used to label peptides, oligonucleotides or functionalized amines. Quasar 570 is an indocarbocyanine which fluoresces in the yellow-orange region of the visible spectrum; it excites at 548 nm and emits at 570 nm. This compound is a direct replacement for Cy™3. BHQ®-2 will quench the Quasar 570 moiety.
Properties:
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Chemical Name:
Indo-3-carbocyanine N-ethyl-N'-hexanoic acid
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Formula:
C31 H39N2O2+
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Molecular Weight:
471.65
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Appearance:
red solid
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Absorption Maximum (Lambda Max):
548
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Extinction Coefficient at Lambda max:
150000
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Fluorescence Maximum:
570
Product usage:
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Synthesis conditions:
Prior to dilution ensure that all product is at the bottom of the vial. Following dilution, mix thoroughly in sealed vial to ensure that all contents are dissolved.
This product will dissolve in MeCN, DMF and DMSO.
Quasar 570 is light sensitive material. Prolonged exposure to light may cause photo bleaching.
This product is susceptible to oxidation when exposed to air or stored undessicated.
Storage and handling:
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Shipping conditions:
Ambient
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Storage conditions:
+2 to +8 °C
