A cyanine-containing fluorochrome
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Cy5 (triethylamine salt)

Item No. 30752

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
2-((1E,3E)-5-((E)-1-(5-carboxypentyl)-3,3-dimethyl-5-sulfoindolin-2-ylidene)penta-1,3-dien-1-yl)-1-ethyl-3,3-dimethyl-3H-indol-1-ium-5-sulfonate, inner salt, compd. with N,N-diethylethanamine
Molecular Formula
C33H40N2O8S2 • C6H15N
Formula Weight
758.0
Purity
≥95%
Emission
670 nm
Excitation
650 nm
Formulation (Request formulation change)
A crystalline solid
Solubility(Learn about Variance in Solubility)
DMF: 30 mg/mlDMSO: 30 mg/mlEthanol: 30 mg/mlPBS (pH 7.2): 10 mg/ml
λmax
649 nm
SMILES
OC(CCCCCN1/C(C(C)(C2=C1C=CC(S(O)(=O)=O)=C2)C)=C/C=C/C=C/C3=[N+](C4=CC=C(C=C4C3(C)C)S([O-])(=O)=O)CC)=O.CCN(CC)CC
InChi Code
InChI=1S/C33H40N2O8S2.C6H15N/c1-6-34-27-18-16-23(44(38,39)40)21-25(27)32(2,3)29(34)13-9-7-10-14-30-33(4,5)26-22-24(45(41,42)43)17-19-28(26)35(30)20-12-8-11-15-31(36)37;1-4-7(5-2)6-3/h7,9-10,13-14,16-19,21-22H,6,8,11-12,15,20H2,1-5H3,(H2-,36,37,38,39,40,41,42,43);4-6H2,1-3H3
InChi Key
VSINJOOHCKRFTE-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    1 mg

    $107

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    5 mg

    $477

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    10 mg

    $845

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    Product Description

    Cy5 is a cyanine-containing fluorochrome.1 It has commonly been conjugated to secondary antibodies for use in immunocytochemistry (ICC) and immunohistochemistry (IHC) applications. Cy5 displays excitation/emission maxima of 650/670 nm, respectively.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Suzuki, T., Matsuzaki, T., Hagiwara, H., et al. Recent advances in fluorescent labeling techniques for fluorescence microscopy. Acta Histochem. Cytochem. 40(5), 131-137 (2007).