TAMRA maleimide, 5-isomer

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TAMRA maleimide, 5-isomer

标签:Maleimides, TAMRA (TMR, tetramethylrhodamine)
17180 1 mg 110.00$ in stock
27180 5 mg 210.00$ in stock
47180 25 mg 410.00$ in stock
57180 50 mg 695.00$ in stock
67180 100 mg 1190.00$ in stock

Maleimide derivative of TAMRA (tetramethylrhodamine) for the labeling of thiol groups. Pure 5-isomer of TAMRA.

TAMRA(四甲基罗丹明)的马来酰亚胺衍生物,用于标记硫醇基团。 TAMRA 的纯 5-异构体。

Absorption and emission spectra of 5-TAMRA

TAMRA maleimide, 5-isomer

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用于点击化学的 FAM(荧光素)叠氮化物,纯 5 异构体。

AF430 NHS ester

AF430 is a hydrophilic coumarin dye with the emission in green-yellow range. The NHS ester is used for the labeling of amine groups.

AF430 是一种亲水性香豆素染料,发射在黄绿色范围内。 NHS 酯用于标记胺基。

Cyanine3 maleimide

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Cy3 马来酰亚胺是一种硫醇单活性染料。

General properties

Appearance: red powder  红色粉末
Mass spec M+ increment: 552.2
Molecular weight: 552.58
Molecular formula: C31H28N4O6
IUPAC name: 1-[2-({3′,6′-Bis(dimethylamino)-3-oxospiro[isobenzofuran-1,9′-xanthen]-5-yl}carbonylamino)ethyl]-1H-pyrrole-2,5-dione
Solubility: good in DMF, DMSO
Quality control: NMR 1H, HPLC-MS (95%)
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.

储存:收到后 12 个月,在 -20°C 避光保存。 运输:在室温下长达 3 周。 避免长时间暴露在光线下。 干燥。

MSDS: Download
Product specifications

Spectral properties

Excitation/absorption maximum, nm: 541
ε, L⋅mol−1⋅cm−1: 84000
Emission maximum, nm: 567
Fluorescence quantum yield: 0.1
CF260: 0.32
CF280: 0.19