
ATTO Thio12
| Catalog Number | F10-0165 |
| Category | ATTO Dyes |
| Molecular Formula | C29H32ClN3O7S |
| Molecular Weight | 602.1 |
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Product Introduction
ATTO Thio12 is a thiol-reactive fluorophore that features a conjugated aromatic system, enabling it to participate in fluorescence labeling applications. This compound exhibits specific spectral behaviors, characterized by its distinct excitation and emission wavelengths, making it suitable for fluorescence imaging and biosensing. As a reactive fluorescent dye, ATTO Thio12 is incorporated into various biochemical assays and molecular tracking experiments, supporting the study of intracellular processes and biomolecule interactions.
Chemical Information
Application
Computed Properties
Patents
Chemical Information
| IUPAC Name | [9-[2-[3-carboxypropyl(methyl)carbamoyl]phenyl]-6-(dimethylamino)thioxanthen-3-ylidene]-dimethylazanium;perchlorate |
| SMILES | CN(C)C1=CC2=C(C=C1)C(=C3C=CC(=[N+](C)C)C=C3S2)C4=CC=CC=C4C(=O)N(C)CCCC(=O)O.[O-]Cl(=O)(=O)=O |
| InChI | InChI=1S/C29H31N3O3S.ClHO4/c1-30(2)19-12-14-23-25(17-19)36-26-18-20(31(3)4)13-15-24(26)28(23)21-9-6-7-10-22(21)29(35)32(5)16-8-11-27(33)34;2-1(3,4)5/h6-7,9-10,12-15,17-18H,8,11,16H2,1-5H3;(H,2,3,4,5) |
| InChIKey | CNHBWUJLSIHMSI-UHFFFAOYSA-N |
| NACRES | NA.32 |
Application
ATTO Thio12 is a thiophene-based fluorescent dye designed for labeling and fluorescence-based tracking in chemical biology and materials workflows. Its strong absorption/emission in the visible range and high labeling efficiency make it useful when bright signal readout and robust conjugate formation are required, including in environments where dye-biomolecule conjugates are routinely handled for microscopy and assay development.
1. Fluorescence Labeling Conjugates
ATTO Thio12 is used by researchers to generate fluorescent conjugates for biomolecule labeling and downstream fluorescence readouts. In typical workflows, the dye is incorporated into peptides, proteins, or other functional biomolecules to enable visualization of labeled constructs in imaging experiments and fluorescence-based assays. Because the dye is employed as a practical labeling fluorophore, it is often selected when a stable fluorescent tag is needed for tracking conjugate distribution, handling, and assay performance during method development.
2. Fluorescence Microscopy Staining
ATTO Thio12 supports fluorescence microscopy applications where labeled targets need to be imaged with clear contrast against background. Users commonly apply ATTO Thio12-labeled biomolecules or dye-conjugated materials to study localization patterns in fixed samples, monitor labeling uniformity, and compare staining conditions during protocol optimization. The dye's visible excitation/emission profile aligns well with standard fluorescence microscope filter sets, making it a convenient reagent for cellular imaging studies and fluorescence localization experiments in chemical biology laboratories.
3. Flow Cytometry Fluorescent Tags
ATTO Thio12 is frequently incorporated into fluorescent labeling strategies for flow cytometry workflows that rely on stable dye conjugates. Researchers use ATTO Thio12-tagged biomolecules to quantify fluorescence intensity associated with labeled targets and to support gating and population analysis during assay development. In these settings, the dye's brightness and compatibility with common fluorescence detection schemes help enable reproducible signal generation from conjugate-labeled samples.
4. Fluorescent Bioassay Development
ATTO Thio12 is also applied in fluorescence assay development where dye-labeled reagents are used as readout components. In practice, teams incorporate ATTO Thio12 into assay reagents to monitor binding or interaction events via fluorescence intensity changes, enabling method screening and reagent optimization in biochemical and materials-related studies. This use is particularly common in platform development where consistent fluorescence from labeled conjugates is required for reliable assay signal generation.
Computed Properties
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 7 |
| Exact Mass | 601.1649492 g/mol |
| Monoisotopic Mass | 601.1649492 g/mol |
| Topological Polar Surface Area | 163Ų |
| Heavy Atom Count | 41 |
| Formal Charge | 0 |
| Complexity | 1040 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 2 |
| Compound Is Canonicalized | Yes |
Patents
| Publication Number | Title | Priority Date |
|---|---|---|
| EP-2954934-A1 | Conjugate comprising a neurotensin receptor ligand and use thereof | 2014-06-11 |
| CA-2949936-A1 | Conjugate comprising a neurotensin receptor ligand and use thereof | 2014-06-10 |
| EP-2954933-A1 | Conjugate comprising a neurotensin receptor ligand | 2014-06-10 |
| US-2017119913-A1 | Conjugate comprising a neurotensin receptor ligand and use thereof | 2014-06-10 |
| JP-2020097586-A | Conjugates containing neurotensin receptor ligands and their use | 2014-06-10 |
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