A cyanine-containing fluorochrome
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Cy3

Item No. 30392

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
2-[3-[1-(5-carboxypentyl)-1,3-dihydro-3,3-dimethyl-5-sulfo-2H-indol-2-ylidene]-1-propen-1-yl]-1-ethyl-3,3-dimethyl-5-sulfo-3H-indolium, inner salt
CAS Number
146368-13-0
Molecular Formula
C31H38N2O8S2
Formula Weight
630.8
Purity
≥98%
Emission
570 nm
Excitation
550 nm
Formulation (Request formulation change)
A crystalline solid
Solubility(Learn about Variance in Solubility)
DMF: 10 mg/mlDMSO: 15 mg/mlEthanol: 1 mg/mlPBS (pH 7.2): 5 mg/ml
λmax
525, 558 nm
SMILES
OC(CCCCCN1/C(C(C)(C)C2=C1C=CC(S(O)(=O)=O)=C2)=C/C=C/C3=[N+](CC)C4=CC=C(S([O-])(=O)=O)C=C4C3(C)C)=O
InChi Code
InChI=1S/C31H38N2O8S2/c1-6-32-25-16-14-21(42(36,37)38)19-23(25)30(2,3)27(32)11-10-12-28-31(4,5)24-20-22(43(39,40)41)15-17-26(24)33(28)18-9-7-8-13-29(34)35/h10-12,14-17,19-20H,6-9,13,18H2,1-5H3,(H2-,34,35,36,37,38,39,40,41)
InChi Key
YDNYBBRGPORVRT-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    1 mg

    $49

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    5 mg

    $202

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    10 mg

    $354

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    25 mg

    $762

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    Product Description

    Cy3 is a cyanine-containing fluorochrome.1 It has commonly been conjugated to secondary antibodies for use in immunocytochemistry and immunohistochemistry applications. Cy3 displays excitation/emission maxima of 550/570 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).