Date published: 2026-3-17

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CruzQuench™ 4 succinimidyl ester

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Alternate Names:
CQ™ 4 succinimidyl ester
Application:
CruzQuench™ 4 succinimidyl ester is a an amine-reactive peptide and oligonucleotide label
Molecular Weight:
997.23
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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CQ4 is designed to be a superior quencher to ROX, CFLsm4 and Texas Red®. CQ4 has (a). much stronger absorption; (b). much higher quenching efficiency; and (c). versatile reactive forms with desired solubility for labeling oligonucleotides and peptides. This CQ4 product is primarily used for labeling peptides. It is also used for post-labeling of amino-modified oligonucleotides.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

CruzQuench™ 4 succinimidyl ester, 5 mg

sc-362656
5 mg
$195.00