ROX NHS ester, 5-isomer

NHS esters ROX (Rhodamine X, Rhodamine 101)
Cat. # Quantity Price Lead time
11220 1 mg $110.00 in stock
21220 5 mg $210.00 in stock
41220 25 mg $410.00 in stock
51220 50 mg $695.00 in stock
61220 100 mg $1190.00 in stock
Bulk inquiry

ROX (rhodamine X) is a bright rhodamine dye for ROX channel. Carboxy rhodamines come as two isomers. This product is a derivative of pure 5-carboxy-ROX.

ROX NHS ester, 5-isomer, 61220
ROX NHS ester, 5-isomer, 61220
ROX NHS ester, 5-isomer, 61220
Structure of ROX NHS ester, 5-isomer
Download in
ChemDraw format

Absorption and emission spectra of ROX dye

Absorption and emission spectra of ROX dye

Customers also purchased with this product

BDP 558/568 NHS ester

BDP 558/568 is a fluorophore for the yellow region of the spectrum. Like other BDP dyes, this fluorophore has high fluorescence quantum yield, brightness, and photostability.

BDP 576/589 NHS ester

BDP 576/589 NHS ester (BODIPY™ 576/589 analog) is a bright hydrophobic dye with emission in the orange spectrum range. It can be used in fluorescence anisotropy assays.
Add this product to your cart and
get free express delivery

DusQ1 CPG 500

Controlled pore glass (CPG) 500 solid support for synthesis of oligonucleotides with 3’-terminal DusQ1 quencher. Compatible with standard deblocking conditions.
Add this product to your cart and
get free express delivery

General properties

Appearance: dark red solid
Mass spec M+ increment: 516.2
Molecular weight: 631.67
CAS number: 209734-74-7; 344402-35-3
Molecular formula: C37H33N3O7
Solubility: good in DMF, DMSO
Quality control: NMR 1H, HPLC-MS (80%)
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: 93000
Emission maximum, nm: 591
Fluorescence quantum yield: 1.0
CF260: 0.62
CF280: 0.49

Product citations

  1. 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
Your item has been added. View your cart or proceed to checkout
The count of items is incorrect.