A lipophilic, fluorescent dye
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.

Product Categories

Product Type

Biochemicals
Labeling & Detection
Fluorescent Probes

Research Area

Neuroscience

Application

Fluorescence

DiA

Item No. 45034

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
4-[2-[4-(dihexadecylamino)phenyl]ethenyl]-1-methyl-pyridinium, iodide
CAS Number
114041-00-8
Synonyms
  • Di-16-ASP
Molecular Formula
C46H79N2 • I
Formula Weight
787.1
Purity
≥90%
Emission
613 nm
Excitation
491 nm
Formulation (Request formulation change)
A solid
Solubility(Learn about Variance in Solubility)
Acetonitrile:Water (1:1): Slightly soluble: 0.1-1 mg/mlDMSO: Slightly soluble: 0.1-1 mg/ml
SMILES
CCCCCCCCCCCCCCCCN(C1=CC=C(C=CC(C=C2)=CC=[N+]2C)C=C1)CCCCCCCCCCCCCCCC.[I-]
InChi Code
InChI=1S/C46H79N2.HI/c1-4-6-8-10-12-14-16-18-20-22-24-26-28-30-40-48(41-31-29-27-25-23-21-19-17-15-13-11-9-7-5-2)46-36-34-44(35-37-46)32-33-45-38-42-47(3)43-39-45;/h32-39,42-43H,4-31,40-41H2,1-3H3;1H/q+1;/p-1
InChi Key
YPGZWUVVEWKKDQ-UHFFFAOYSA-M
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

    $45

    Add

    5 mg

    $124

    Add

    10 mg

    $180

    Add
    Product Description

    DiA is a lipophilic, fluorescent dye.1,2 It displays excitation/emission maxima of 491/613 nm, respectively. DiA has been used in neuronal membrane tracing.1

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Ince-Dunn, G., Hall, B.J., Hu, S.C., et al. Regulation of thalamocortical patterning and synaptic maturation by NeuroD2. Neuron 49(5), 683-695 (2006).

    2. Neuhuber, W.L., Kressel, M., Stark, A., et al. Vagal efferent and afferent innervation of the rat esophagus as demonstrated by anterograde DiI and DiA tracing: Focus on myenteric ganglia. J. Auton. Nerv. Syst. 70(1-2), 92-102 (1998).