5(6)-TAMRA PEG3 azide

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Synonyms: 5/6-Carboxytetramethylrhodamine-PEG3-Azide

Functional Activity:

The water soluble 5(6)-TAMRA PEG3 azide has a long PEG3 spacer that separates the dye tetramethylrhodamine (commonly known as TMR or TAMRA) from the terminal azide group. The water-soluble PEG3 spacer should minimize the interaction between the dye and the biomolecule to be labeled. With excitation maximum at 547 nm, the acetylene ? TMR conjugate is an excellent match to the intense 546 nm spectral line of the mercury-arc laps used in most ?uorescence microscopes. This probe is also ef?ciently excited by the 543 nm spectral line of the Ar - Kr mixed gas laser commonly used in many confocal laser-scanning microscopes. The ?uorescence of the azide ? tetramethylrhodamine conjugate as well as of many other rhodamine based probes is pH insensitive between 4 and 9, and exhibits excellent photostability.

Technical Data:

M.Wt: 630.69

Formula: C₃₃H₃₈N₆O₇

Excitation (nm): 546

Emission (nm): 575

Solubility: Soluble in DMSO, DMF, MeOH

Purity: >95% (HPLC)

Shipping Conditions: Room temperature

Storage: Store and desiccate at -20°C and protect from light.

CAS No.: N/A

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References for 5(6)-TAMRA PEG3 azide :

Certificate of Analysis/MSDS is available upon request