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6-ROX NHS-ester

Pure single isomer for the labeling of amino-groups in peptides, proteins, and amino-oligonucleotides.

ROX (also known as rhodamine X or R101) is a highly fluorescent, and photostable rhodamine dye for various applications. ROX labeled oligonucleotide probes are often used in qPCR.

6-ROX NHS-ester FP-472532 5mg
6-ROX NHS-ester FP-47253C 25mg
6-ROX NHS-ester FP-47253D 50mg
6-ROX NHS-ester FP-47253E 100mg


ROX Reference Dye for qPCR

Passive reference dye for qPCR application

The ROX dye is recommended for:

  • Normalization of fluorescence intensity of qPCR reporter dyes
  • Correct for pipeting errors and instrumental drift such as change of lamp intensity output over time

ROX reference dye is compatible with all qPCR instruments with ROX channel. Most instruments require either 500nM or 50nM end concentration of ROX. .

ROX Reference Dye for qPCR 25μM solution (570/591nm) FP-WZE160 500µL
ROX Reference Dye for qPCR 25μM solution (570/591nm) FP-WZE161 1mL
ROX Reference Dye for qPCR 25μM solution (570/591nm) FP-WZE162 25mL
ROX Reference Dye for qPCR 25μM solution (570/591nm) FP-WZE163 50mL


FAM Phosphoramidite, 6-Isomer

Fluorescent dye for synthesis of labeled DNA, RNA, and other nucleic acids.

Standard fluorescein (FAM) phosphoramidite for 5′-terminal oligonucleotide labeling, high isomeric purity single isomer. This highly purified amidite reagent ensures excellent coupling results with various synthesizers..

Quality control: NMR 1H and 31P, HPLC-MS (95+%), isomeric purity > 97%

FAM Phosphoramidite, 6-Isomer (494/520nm) FP-SJH980 250mg
FAM Phosphoramidite, 6-Isomer (494/520nm) FP-SJH981 1g
FAM Phosphoramidite, 6-Isomer (494/520nm) FP-SJH982 5g
FAM Phosphoramidite, 6-Isomer (494/520nm) FP-SJH984 10g

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JOE phosphoramidite, 5-isomer (533/554nm) FP-AYQMIA 1g


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