ROX NHS ester, 6-isomer
Cat. # | Quantity | Price | Lead time | Buy this product |
---|---|---|---|---|
12220 | 1 mg | $110 | in stock | |
22220 | 5 mg | $210 | in stock | |
42220 | 25 mg |
$410
|
in stock | |
52220 | 50 mg |
$695
|
in stock | |
62220 | 100 mg |
$1190
|
in stock |
ROX (Rhodamine X, 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.
Absorption and emission spectra of ROX dye

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Appearance: | dark crimson powder |
Mass spec M+ increment: | 516.2 |
Molecular weight: | 631.67 |
CAS number: | 117491-83-5; 1890922-83-4; 216699-36-4 |
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. |
MSDS: | Download |
Product specifications |
Spectral properties
Excitation/absorption maximum, nm: | 570 |
ε, L⋅mol−1⋅cm−1: | 88000 |
Emission maximum, nm: | 591 |
Fluorescence quantum yield: | 1.0 |
CF260: | 0.62 |
CF280: | 0.49 |
Product citations
- Konopka, C.J.; Wozniak, M.; Hedhli, J.; Ploska, A.; Schwartz-Duval, A.; Siekierzycka, A.; Pan, D.; Munirathinam, G.; Dobrucki, I.T.; Kalinowski, L.; Dobrucki, L.W. Multimodal imaging of the receptor for advanced glycation end-products with molecularly targeted nanoparticles. Theranostics, 2018, 8(18), 5012–5024. doi: 10.7150/thno.24791
This Product is offered and sold for research purposes only. It has not been tested for safety and efficacy in food, drug, medical device, cosmetic, commercial or any other use. Supply does not express or imply authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, in the manufacture of food or pharmaceutical products, in medical devices or in cosmetic products.
Short link - lumiprobe.com/sh/p/C
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