Sulfo-Cyanine5.5 azide (tripotassium) [CAS 2382994-65-0]

Sulfo-Cyanine5.5 azide tripotassium, a near-infrared (NIR) fluorescent dye, is an azide-functionalized Sulfo-Cyanine5.5 (Ex=678 nm, Em=694 nm) . Sulfo-Cyanine5.5 azide tripotassium can react with alkynes for Click Chemistry labeling[1]. It contains an azide group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing alkyne groups. It can also undergo ring strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing DBCO or BCN groups.

[2382994-65-0]

C43H45K3N6O13S4

1099.4

CC1(C(C2=CC(S(=O)(O[K])=O)=C3)=C([N+](CCCCCC(NCCCN=[N+]=[N-])=O)=C1/C=C/C=C/C=C4C(C)(C5=C(C=CC6=C(S(=O)(O[K])=O)C=C(S(=O)(O[K])=O)C=C65)N\4C)C)C=CC2=C3S(=O)([O-])=O)C

Fluorescent Dye

10 mM in DMSO

Room temperature