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Cy5.5 NHS ester

Lot NoQuantityPrice
140201 mg$ 110.00
240205 mg$ 210.00
4402025 mg$ 410.00
5402050 mg$ 695.00
64020100 mg$ 1190.00

Cy5.5 NHS ester is a reactive dye for the labeling of amino-groups in peptides, proteins, and oligonucleotides.

Cy5.5 NHS ester can replace NHS esters of Alexa Fluor 680, DyLight 680.

General properties
Appearance:dark greenish-blue powder
Molar weight:758.39
Mass spec M+ increase:607.8
Spectral properties
Cy5.5 excitation maximum, λmaxex, nm:673
Cy5.5 extinction at λmaxex209,000
Cy5.5 emission maximum, λmaxfluor, nm:707
Cy5.5 fluorescence quantum yield:0.2
Quality control
NMR:95+%
TLC:pure
Functional testing (reaction with amine):pass
Recommended protocols
NHS ester labeling of amino biomoleculesHTML | PDF
Storage conditions
Store NHS ester at -20°C in the dark. Desiccate.
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