• CAT Number: I013802
  • CAS Number: 186205-33-4
  • Molecular Formula: C₂₉H₃₀IN₃O₆
  • Molecular Weight: 643.47
  • Purity: ≥95%
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CY2-SE (CAT: I013802) is a valuable dye used for the efficient labeling of amino groups in peptides, proteins, and oligonucleotides. Its mode of action involves forming stable covalent bonds with amino groups, facilitating precise tracking and detection of biomolecules. This fluorescent dye has broad applications in bioconjugation, fluorescence-based assays, and imaging techniques, enabling researchers to gain insights into cellular processes and molecular interactions. Its pharmacologic action as a reliable labeling agent contributes to advancements in various fields, including proteomics, genomics, and cell biology.

Catalog Number I013802
CAS Number 186205-33-4
Molecular Formula


Purity 95%
Target Dye Reagents
Solubility DMSO: ≥ 35 mg/mL
IUPAC Name (2,5-dioxopyrrolidin-1-yl) 6-[2-[(E,3E)-3-(3-ethyl-1,3-benzoxazol-2-ylidene)prop-1-enyl]-1,3-benzoxazol-3-ium-3-yl]hexanoate;iodide
InChI InChI=1S/C29H30N3O6.HI/c1-2-30-21-11-5-7-13-23(21)36-27(30)15-10-16-28-31(22-12-6-8-14-24(22)37-28)20-9-3-4-17-29(35)38-32-25(33)18-19-26(32)34;/h5-8,10-16H,2-4,9,17-20H2,1H3;1H/q+1;/p-1

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