A cyanine-containing fluorochrome
Technical Support & Resources

Information provided in the product description is from published literature. Due to the nature of scientific experimentation, your results (e.g., selectivity and effective concentrations) or specific application for this product may differ. If you have questions about how this product fits your application, please contact our technical support staff.

Visit our FAQ

Contact Us

Toll Free Phone (USA and Canada Only): (888) 526-5351
Direct Phone: (734) 975-3888

Request Technical Support

Technical Support Request

To streamline the process attach the appropriate questionnaire to your inquiry.

Download IHC QuestionnaireDownload WB Questionnaire

View Our Privacy Statement for details on how we use and protect your data. In addition, this site is protected by hCaptcha and its Privacy Policy and Terms of Service apply.

Cy7

Item No. 30395

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
2-[7-[1-(5-carboxypentyl)-1,3-dihydro-3,3-dimethyl-5-sulfo-2H-indol-2-ylidene]-1,3,5-heptatrien-1-yl]-1-ethyl-3,3-dimethyl-5-sulfo-3H-indolium, inner salt
CAS Number
943298-08-6
Molecular Formula
C35H42N2O8S2
Formula Weight
682.8
Purity
≥98%
Emission
800 nm
Excitation
745 nm
Formulation (Request formulation change)
A crystalline solid
Solubility(Learn about Variance in Solubility)
DMF: 10 mg/mlDMSO: 10 mg/mlEthanol: 5 mg/mlPBS (pH 7.2): 1 mg/ml
λmax
754 nm
SMILES
CC1(C)/C(N(CCCCCC(O)=O)C2=C1C=C(S(O)(=O)=O)C=C2)=C/C=C/C=C/C=C/C3=[N+](CC)C4=C(C=C(S([O-])(=O)=O)C=C4)C3(C)C
InChi Code
InChI=1S/C35H42N2O8S2/c1-6-36-29-20-18-25(46(40,41)42)23-27(29)34(2,3)31(36)15-11-8-7-9-12-16-32-35(4,5)28-24-26(47(43,44)45)19-21-30(28)37(32)22-14-10-13-17-33(38)39/h7-9,11-12,15-16,18-21,23-24H,6,10,13-14,17,22H2,1-5H3,(H2-,38,39,40,41,42,43,44,45)
InChi Key
CZWUESRDTYLNDE-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
Recommended Products

Certificates of Analysis & Batch Specific Data

Provide batch numbers separated by commas to download or request available product inserts, QC sheets, certificates of analysis, data packs, and GC-MS data.

Download most recent Certificate of Analysis for this product

    1 mg

    $49

    Add

    5 mg

    $202

    Add

    10 mg

    $354

    Add

    25 mg

    $762

    Add
    Product Description

    Cy7 is a cyanine-containing fluorochrome.1 It displays excitation/emission maxima of 745/800 nm, respectively.2 Cy7 has commonly been conjugated to secondary antibodies for use in fluorescence microscopy and flow cytometry.1

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Berlier, J.E., Rothe, A., Buller, G., et al. Quantitative comparison of long-wavelength alexa fluor dyes to Cy dyes: Fluorescence of the dyes and their bioconjugates. J. Histochem. Cytochem. 51(12), 1699-1712 (2003).

    2. Xiao, L., Zhang, Y., Liu, Z., et al. Synthesis of the cyanine 7 labeled neutrophil-specific agents for noninvasive near infrared fluorescence imaging. Bioorg. Med. Chem. Lett. 20(12), 3515-3517 (2010).