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AMCA Alkyne

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Physical properties
Molecular weight270.28
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 alkyne compounds through click chemistry.


Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of AMCA Alkyne 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 mM369.987 µL1.85 mL3.7 mL18.499 mL36.999 mL
5 mM73.997 µL369.987 µL739.973 µL3.7 mL7.4 mL
10 mM36.999 µL184.993 µL369.987 µL1.85 mL3.7 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



View all 13 references: Citation Explorer
Functional expression of the peptide transporter PEPT2 in the mammalian enteric nervous system
Authors: Ruhl A, Hoppe S, Frey I, Daniel H, Schemann M.
Journal: J Comp Neurol (2005): 1
Increased resonance energy transfer between fluorophores bound to DNA in proximity to metallic silver particles
Authors: Malicka J, Gryczynski I, Fang J, Kusba J, Lakowicz JR.
Journal: Anal Biochem (2003): 160
Dental extractions in patients maintained on oral anticoagulant therapy: comparison of INR value with occurrence of postoperative bleeding
Authors: Blinder D, Manor Y, Martinowitz U, Taicher S.
Journal: Int J Oral Maxillofac Surg (2001): 518
Hemostatic wound management in marcumar patients. Collagen fleece vs. tranexamic acid
Authors: Bublitz R, Sommer S, Weingart D, Bauerle K, Both A.
Journal: Mund Kiefer Gesichtschir (2000): 240
Oral surgical procedures during anticoagulant therapy
Authors: Blinder D, Martinowitz U, Ardekian L, Peleg M, Taicher S.
Journal: Harefuah (1996): 681
Time-resolved energy transfer measurements of donor-acceptor distance distributions and intramolecular flexibility of a CCHH zinc finger peptide
Authors: Eis PS, Lakowicz JR.
Journal: Biochemistry (1993): 7981
Evidence for cobinding of self- and allopeptides to human class II major histocompatibility antigen DR1 by energy transfer
Authors: Kropshofer H, Max H, Kalbacher H.
Journal: Proc Natl Acad Sci U S A (1993): 403
Soluble aggregates of IgG and immune complexes enhance IL-6 production by renal mesangial cells
Authors: van den Dobbelsteen ME, van der Woude FJ, Schroeijers WE, van Es LA, Daha MR.
Journal: Kidney Int (1993): 544
Improved indirect fluorescence immunocytochemical method using counterstains
Authors: Newkirk RF, Mack J.
Journal: Biotechniques (1992): 536
Triple immunofluorescence confocal laser scanning microscopy: spatial correlation of novel cellular differentiation markers in human muscle biopsies
Authors: Schubert W., undefined
Journal: Eur J Cell Biol (1991): 272