ROX NHS ester,117491-83-5,红色荧光染料
产品介绍
ROX NHS ester, pure 6- isomer
ROX (rhodamine X aka R101) is a highly fluorescent, and photostable rhodamine dye for various applications. ROX labeled oligonucleotide probes are often used in PCR, and PCR 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.
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
uality con*rol:

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 uantum yield:

1.0
结构式：
ROX NHS ester,117491-83-5,红色荧光染料
西安瑞禧生物科技有限公司
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