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Catalog ID 6234 / 5 mg

5-TAMRA Carbonyl Azide

AKA: Tetramethylrhodamine-5-Carbonyl Azide
Formula Weight CAS#
C25H21N5O4 455.47 N/A
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5-TAMRA Carbonyl Azide is an orange-fluorescent dye that may be used to label alcohols and amines in organic solvents. Carbonyl azides undergo a rearrangement to isocyanates when heated to above 80 °C in an organic solvent like DMF, toluene, or 1,4-dioxane. Isocyanates are very reactive and combine with alcohols to yield a stable urethane linkage and with amines to yield a stable urea linkage. Conjugates of 5-TAMRA Carbonyl Azide are excited near 545 nm with a fluorescence emission near 578 nm. 5-TAMRA fluorescence is insensitive to environmental pH and is relatively photostable.

Product Size 5 mg
Form Red Solid
Absorption (estimated) Wavelength (λmax) 545 ± 3 nm (Methanol)
Fluorescence (estimated) Wavelength (λmax) 578 ± 4 nm (Methanol)
Storage conditions Freeze: Store at -5 to -30°C (F) Protect from moisture (D) Protect from light (L)
MDL#

* Tetramethylrhodamine-5-Carbonyl Azide
* TMR 5-Carbony Azide

Safety Data Sheet
SDS-PDF
Certificates of Analysis
Lot 51186 05-Jun-2017
Lot 50698 07-Dec-2015

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