Description

4-[2-[5-(5,6-Dimethyl-3-Phenlethylbenzothiazol-2-Ylidene)-3-Methyl-1,3-Pentadienyl]-6-Methyl-3-Benzothiazolio] Butanesulfonate is a specialized organic salt belonging to the cyanine dye family, recognized for its distinct photophysical properties. This compound is valued for its ability to act as a sensitive and selective fluorescent probe in advanced analytical and diagnostic applications. It is primarily sought by researchers and manufacturers in the life sciences, analytical chemistry, and diagnostic reagent sectors for developing high-performance detection systems.

Application

• Fluorescent Labeling Agent: Used as a key component in the synthesis of fluorescent dyes and tags for biological imaging and cellular staining.
• Diagnostic Reagent Intermediate: Serves as a critical building block in the production of reagents for clinical diagnostics and immunoassays.
• Sensor Development: Employed in the research and fabrication of chemical and biosensors for detecting specific ions or biomolecules.
• Photographic Sensitizer: Functions as a spectral sensitizer in specialized photographic and imaging technologies.
• Material Science Research: Investigated for use in organic light-emitting diodes (OLEDs) and other optoelectronic devices due to its conjugated structure.
• Bioconjugation: Utilized in protocols for labeling proteins, antibodies, or nucleic acids for fluorescence-based studies.

Basic Information

Product Name	4-[2-[5-(5,6-Dimethyl-3-Phenlethylbenzothiazol-2-Ylidene)-3-Methyl-1,3-Pentadienyl]-6-Methyl-3-Benzothiazolio] Butanesulfonate
CAS No.	63737-55-3
Molecular Formula	C38H40N2O3S3
Molecular Weight	668.92 g/mol
Synonyms	Thiazole Orange Butanesulfonate; TO-PRO-1 analogue; Cyanine dye 63737-55-3; 4-[2-[5-(5,6-Dimethyl-3-phenethyl-1,3-benzothiazol-2(3H)-ylidene)-3-methylpenta-1,3-dien-1-yl]-6-methyl-1,3-benzothiazol-3-ium-3-yl]butane-1-sulfonate; Benzothiazolium, 4-[2-[5-(5,6-dimethyl-3-phenethyl-2(3H)-benzothiazolylidene)-3-methyl-1,3-pentadienyl]-6-methyl-3-benzothiazolio] butanesulfonate
EINECS	Contact for details

Quality Control

Our production of this high-purity specialty chemical adheres to strict quality management protocols. Every batch is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, absorbance/fluorescence profiles, and impurity limits is provided with each 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 tightly after each use to prevent degradation from atmospheric moisture. For long-term storage, consider desiccant or inert atmosphere conditions.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 3.0%
Residue on Ignition	≤ 1.0%
Absorption Max (λmax)	509 ± 5 nm (in methanol)
Emission Max	533 ± 5 nm (in methanol)

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