ROX NHS ester, pure 6-isomer|117491-83-5
ROX (rhodamine X aka R101) is a highly fluorescent, and photostable rhodamine dye for various applications. ROX labeled oligonucleotide probes are often used in qPCR, and qPCR instruments have ROX channel.
This is reactive dye for the labeling of amino-groups in peptides, proteins, and amino-oligonucleotides. Pure single isomer.
This dye can replace Alexa Fluor 568, Texas Red.
      
ROX NHS ester, pure 6-isomer|117491-83-5
 
 
General properties:Appearance:dark crimson powder
Mass spec M+ increment:516.2
Molecular weight:631.67
CAS number:117491-83-5
Molecular formula:C37H33N3O7
Solubility:good in polar organic solvents (DMF, DMSO), low in water
Quality control:NMR 1H, HPLC-MS (80+%, balance mostly free carboxylic acid)
Storage conditions:Storage: 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate.
 
Spectral properties:Excitation maximum, nm:570
ε, L⋅mol−1⋅cm−1:82000
Emission maximum, nm:591
Fluorescence quantum yield:1.0
NHS 
 
N-羟基琥珀酰亚胺脂Dye NHS esters
Pyrenebutyric acid NHS ester
ROX NHS ester, pure 6-isomer
BDP FL NHS ester
FAM NHS ester
Cyanine3 NHS ester
Cyanine3.5 NHS ester
Cyanine5 NHS ester
Cyanine5.5 NHS ester
Cyanine7 NHS ester
Cyanine7.5 NHS ester
Sulfo-Cyanine3 NHS ester
Sulfo-Cyanine5 NHS ester
sulfo-Cyanine5 bis-NHS ester
Sulfo-Cyanine7 NHS ester