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  3. Cy3B maleimide

Cy3B maleimide is a mono-reactive dye containing maleimide group, which can selectively and efficiently attach Cyanine3 fluorophore (an analog of Cy3) to proteins and peptides containing cysteine residues, as well as to other thiolated molecules (such as thiol-containing oligonucleotides). Cy3B is an improved version of Cy3 dyes with significantly increased fluorescence quantum yield and photostability.

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Cy3B maleimide Chemical Structure

Cy3B maleimide Chemical Structure

CAS No. : 926905-86-4

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Description

Cy3B maleimide is a mono-reactive dye containing maleimide group, which can selectively and efficiently attach Cyanine3 fluorophore (an analog of Cy3) to proteins and peptides containing cysteine residues, as well as to other thiolated molecules (such as thiol-containing oligonucleotides). Cy3B is an improved version of Cy3 dyes with significantly increased fluorescence quantum yield and photostability.

Molecular Weight

682.79

Formula

C37H38N4O7S

CAS No.
SMILES

O=C1C=CC(N1CCNC(CC2=CC(C(C)(C)C3=[N+]4CCC5OC6CCN(C7=CC=C(S(=O)([O-])=O)C=C7C8(C)C)C8=C6C=C35)=C4C=C2)=O)=O

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Room temperature in continental US; may vary elsewhere.

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Please store the product under the recommended conditions in the Certificate of Analysis.

Purity & Documentation
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Cy3B maleimide Related Classifications

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The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

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The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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Product Name:
Cy3B maleimide
Cat. No.:
HY-172721
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