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6-VIC Azide

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Physical properties
Molecular weight623.83
Spectral properties
Excitation (nm)526
Emission (nm)543
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
Alternative formats
6-VIC Alkyne


See also: Click Chemistry
Molecular weight
Excitation (nm)
Emission (nm)
6-VIC is a popular fluorophore that is widely used in nucleic acid sequencing and related research. It is also often used for labeling oligos. 6-VIC azide is a convenient building block that is used to label a biomolecule that contains an alkyne group, such as alkyne-modified oligos.


Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of 6-VIC 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 mM160.3 µL801.5 µL1.603 mL8.015 mL16.03 mL
5 mM32.06 µL160.3 µL320.6 µL1.603 mL3.206 mL
10 mM16.03 µL80.15 µL160.3 µL801.5 µL1.603 mL

Molarity calculator

Enter any two values (mass, volume, concentration) to calculate the third.

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Spectral properties

Excitation (nm)526
Emission (nm)543

Product Family

NameExcitation (nm)Emission (nm)Extinction coefficient (cm -1 M -1)Correction Factor (280 nm)
6-FAM Azide493517830000.178
6-HEX azide533559730000.15
6-TET azide521542730000.13
6-JOE azide520545750001-
6-TAMRA azide552578900000.178
6-ROX azide578604820000.168
6-VIC, SE [6-VIC NHS ester]526543--
6-NED azide545567740001-
6-OG488 Azide498526760000.12
6-VIC phosphoramidite526543--
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