TAMRA azide,荧光素-炔烃荧光染料
产品介绍
TAMRA azide,6- isomer
Tetramethylrhodamine (TAMRA) is a xanthene dye with orange emission. The dye is a FRET acceptor for FAM, and sometimes used as a uencher for it.
Like other xanthenes, TAMRA exists as two isomers (5- and 6-), which have very similar spectral properties. This is an azide derivative of 6-isomer of TAMRA. The azide can be conjugated with terminal alkynes using copper-catalyzed Click chemistry, or with cycloalkynes with copper-free strain promoted alkyne azide cycloaddition (spAAc) reaction.
General properties
Appearance:

violet solid / solution
Mass spec M+ increment:

512.2
Molecular weight:

512.56
Molecular formula:

C28H28N6O4
Solubility:

Good in DMF, DMSO, alcohols, low in water
uality con*rol:

NMR 1H, HPLC-MS (95%)
Storage conditions:

Storage: 24 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:

541
ε, L⋅mol−1⋅cm−1:

84000
Emission maximum, nm:

567
Fluorescence uantum yield:

0.1
CF260:

0.32
CF280:

0.19
结构式：
TAMRA azide,荧光素-炔烃荧光染料
西安瑞禧生物科技有限公司
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