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Cy7.5 NHS ester

Lot NoQuantityPrice
160201 mg$ 110.00
260205 mg$ 210.00
4602025 mg$ 410.00
5602050 mg$ 695.00
66020100 mg$ 1190.00

Cy7.5 is near infrared dye with very long-wave emission. This product is amine-reactive derivative of this fluorophore.

Near infrared radiation readily penetrates tissues and can be used for imaging applications in vivo.

This product can be used for the labeling of various biomolecules containing amine groups, such as proteins and peptides, to track their distribution in organism in vivo.

Increased rigidity of central polymethyne moiety allows to increase quantum yield by 20% compared to parent structure.

General properties
Appearance:dark green solid
Solubility:Good in organic solvents (DCM, chloroform, DMF, DMSO, MeCN, alcohols), poor in water
Molar weight:782.41
Mass spec M+ increase:631.9
Spectral properties
Cy7.5 excitation maximum, λmaxex, nm:788
Cy7.5 extinction at λmaxex223,000
Cy7.5 emission maximum, λmaxfluor, nm:808
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 esters at -20°C in the dark. Desiccate.
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