Description

2-[[5,5-Dimethyl-3-[[3-(3-Sulfonatopropyl)Benzothiazol-2(3H)-Ylidene]Methyl]-2-Cyclohexen-1-Ylidene]Methyl]-3-Ethyl-5,6-Dimethoxybenzothiazol-3-Ium is a high-purity, functional cyanine dye derivative, valued for its strong near-infrared (NIR) absorption and fluorescence properties. This compound is essential for applications requiring precise optical characteristics and chemical stability. It is primarily used by manufacturers and researchers in the biotechnology, analytical chemistry, and advanced materials sectors.

Application

• NIR Fluorescent Probes and Labels: Used in the synthesis of sensitive probes for bioimaging, flow cytometry, and immunoassays.
• Optical Sensing Materials: A key component in the development of chemical sensors and biosensors for medical and environmental diagnostics.
• Laser Dye and Photonic Applications: Employed as a gain medium in tunable dye lasers and in the research of nonlinear optical materials.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer in cancer treatment research due to its light-absorbing properties.
• Functional Polymer and Coating Additives: Incorporated into polymers and coatings to impart specific optical or conductive properties.
• Analytical Chemistry Reagents: Serves as a standard or reagent in chromatographic and spectroscopic analysis methods.

Basic Information

Product Name	2-[[5,5-Dimethyl-3-[[3-(3-Sulfonatopropyl)Benzothiazol-2(3H)-Ylidene]Methyl]-2-Cyclohexen-1-Ylidene]Methyl]-3-Ethyl-5,6-Dimethoxybenzothiazol-3-Ium
CAS No.	72797-22-9
Molecular Formula	C34H41N2O5S3+
Molecular Weight	665.89 g/mol
Synonyms	DTTC Iodide; 3,3'-Diethylthiadicarbocyanine Iodide, sulfonated derivative; DTTC Sulfopropyl Iodide; 1,1'-(4-Sulfobutyl)-3,3,3',3'-tetramethylindotricarbocyanine Iodide (related class); NIR Cyanine Dye; Sulfonated Carbocyanine Dye; 3-Ethyl-2-[5-(3-ethyl-5,6-dimethoxy-1,3-benzothiazol-3-ium-2-yl)penta-2,4-dienylidene]-5,6-dimethoxy-1-propylsulfonatobenzothiazol-3-ium
EINECS	Contact for details

Quality Control

Our production of this specialty cyanine dye adheres to stringent quality protocols to ensure batch-to-batch consistency and optimal performance. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and optical properties is provided with every shipment to support your research and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture. For long-term storage, consider desiccants or an inert atmosphere.

Specification

Item	Specification
Appearance	Dark green to blue-black powder or crystals
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 5.0 %
Absorption Max (λmax)	760 - 780 nm (in methanol)
Extinction Coefficient (ε)	≥ 180,000 L·mol⁻¹·cm⁻¹
Residual Solvents (GC)	Meets ICH guidelines

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.