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AMCA Azide

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Physical properties
Molecular weight301.30
Spectral properties
Correction Factor (280 nm)0.153
Extinction coefficient (cm -1 M -1)19000
Excitation (nm)346
Emission (nm)434
Storage, safety and handling
H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageFreeze (< -15 °C); Minimize light exposure


Molecular weight
Correction Factor (280 nm)
Extinction coefficient (cm -1 M -1)
Excitation (nm)
Emission (nm)
AMCA is one of the brightest blue fluorescent labeling dyes. It can be well excited at 365 nm. It is quite photostable, and its fluorescence is pH-independent from pH 4 to 10. This AMC dye can be used for labeling azide compounds through click chemistry.


Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of AMCA Azide to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.

0.1 mg0.5 mg1 mg5 mg10 mg
1 mM331.895 µL1.659 mL3.319 mL16.595 mL33.19 mL
5 mM66.379 µL331.895 µL663.79 µL3.319 mL6.638 mL
10 mM33.19 µL165.948 µL331.895 µL1.659 mL3.319 mL

Molarity calculator

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Spectral properties

Correction Factor (280 nm)0.153
Extinction coefficient (cm -1 M -1)19000
Excitation (nm)346
Emission (nm)434

Product Family

NameExcitation (nm)Emission (nm)Extinction coefficient (cm -1 M -1)Correction Factor (280 nm)
AMCA acid *CAS#: 106562-32-7*346434190000.153
AMCA Ethylenediamine346434190000.153
XFD488 azide *Same Structure to Alexa Fluor™ 488 azide*499520710000.11
ICG azide7898132300000.076
Cy3B azide56057112000010.069
XFD647 Azide6506712700000.03



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