Description

Hydrogen-2-[2-Methyl-3-[3-(3-Sulphonatopropyl)-3H-Benzothiazol-2-Ylidene]Prop-1-Enyl]-3-(3-Sulphonatopropyl)Benzothiazolium is a high-purity, water-soluble cyanine dye derivative, valued for its strong near-infrared (NIR) absorption and fluorescence properties. This compound is essential for advanced applications requiring precise optical characteristics and excellent aqueous solubility due to its sulphonated side chains. It is primarily needed by manufacturers and research institutions in the biotechnology, medical diagnostics, and advanced materials sectors for developing sensitive detection systems and functional materials.

Application

• Fluorescent Labeling and Probes: Used as a covalent label for biomolecules (proteins, nucleic acids) in fluorescence immunoassays, flow cytometry, and in situ hybridization due to its bright NIR emission.
• Optical Imaging Agents: A key component in the formulation of contrast agents for non-invasive in vivo imaging, including optical coherence tomography and fluorescence-guided surgery.
• Sensor Development: Incorporated into chemical and biosensor platforms for the detection of ions, gases, or specific analytes, leveraging its environment-sensitive fluorescence.
• Photodynamic Therapy (PDT): Investigated as a potential photosensitizer candidate for targeted cancer treatments, where it generates reactive oxygen species upon light activation.
• Laser Dyes and Optical Materials: Employed in the production of tunable dye lasers and as a dopant in polymers or nanoparticles for advanced photonic and optoelectronic devices.
• Industrial Process Control: Utilized as a tracer dye in industrial processes for leak detection, fluid flow visualization, and filtration efficiency testing.

Basic Information

Product Name	Hydrogen-2-[2-Methyl-3-[3-(3-Sulphonatopropyl)-3H-Benzothiazol-2-Ylidene]Prop-1-Enyl]-3-(3-Sulphonatopropyl)Benzothiazolium
CAS No.	17701-26-7
Molecular Formula	C27H29N2O6S4+
Molecular Weight	605.78 g/mol
Synonyms	IR-783; Benzothiazolium, 2-[2-[3-[(1,3-dihydro-1,1-dimethyl-3-(3-sulfopropyl)-2H-benz[e]indol-2-ylidene)ethylidene]-2-methyl-1-cyclopenten-1-yl]ethenyl]-1,1-dimethyl-3-(3-sulfopropyl)-, inner salt; 2-[2-[3-[(1,3-Dihydro-1,1-dimethyl-3-(3-sulfopropyl)-2H-benz[e]indol-2-ylidene)ethylidene]-2-methyl-1-cyclopenten-1-yl]ethenyl]-1,1-dimethyl-3-(3-sulfopropyl)-1H-benz[e]indolium hydroxide inner salt; Cyanine dye IR-783; NIR dye 783; 1,1-Dimethyl-3-(3-sulfopropyl)-2-[2-[3-[(1,1,3-trimethyl-3-(3-sulfopropyl)-1,3-dihydro-2H-benz[e]indol-2-ylidene)ethylidene]-2-methyl-1-cyclopenten-1-yl]ethenyl]-1H-benz[e]indolium hydroxide inner salt
EINECS	Contact for details

Quality Control

Our Hydrogen-2-[2-Methyl-3-[3-(3-Sulphonatopropyl)-3H-Benzothiazol-2-Ylidene]Prop-1-Enyl]-3-(3-Sulphonatopropyl)Benzothiazolium is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, spectrophotometry for optical properties, and residual solvent analysis, to ensure it meets the stringent requirements for research and diagnostic applications. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store at a controlled room temperature between 15°C and 25°C (59°F and 77°F). The product is light-sensitive and should be handled under subdued lighting where practical. Keep the container in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	Dark green to blue-black powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
UV-Vis Absorption (λmax)	783 nm ± 5 nm (in methanol)
Extinction Coefficient	≥ 200,000 L·mol⁻¹·cm⁻¹
Water Content (KF)	≤ 5.0%
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	≤ 20 ppm

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