Description

Texas Red-X is a high-purity, reactive fluorescent dye derivative, widely recognized for its bright red emission and excellent photostability. This compound is essential for advanced biomedical research and diagnostic applications, where precise labeling and reliable signal detection are paramount. It is primarily utilized by researchers and manufacturers in the life sciences, diagnostics, and pharmaceutical development sectors for applications such as fluorescence microscopy, flow cytometry, and immunoassay development. The product is supplied under strict quality control to ensure batch-to-batch consistency and optimal performance.

Application

• Bioconjugation and Protein Labeling: Used to covalently label antibodies, proteins, peptides, and other biomolecules for fluorescence-based detection.
• Fluorescence Microscopy & Imaging: Serves as a vital fluorescent probe for cellular and tissue imaging, enabling detailed visualization of biological structures and processes.
• Flow Cytometry: Employed in the development of fluorescent markers for cell sorting, analysis, and immunophenotyping.
• Diagnostic Assay Development: A key component in the formulation of fluorescent reagents for ELISA, lateral flow assays, and other in vitro diagnostic (IVD) kits.
• Nucleic Acid Labeling: Can be used to tag oligonucleotides for fluorescence in situ hybridization (FISH) and other genomic applications.
• Material Science Research: Applied in the development of fluorescent sensors, polymers, and advanced materials for research purposes.

Basic Information

Product Name	Texas Red-X
CAS No.	199745-67-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Sulforhodamine 101 acid chloride; Texas Red sulfonyl chloride; Texas Red®-X, SE; 5-(and-6)-Carboxy-X-rhodamine, succinimidyl ester; Texas Red C2-maleimide; Texas Red-X, Succinimidyl Ester; Texas Red-X NHS ester; Texas Red-X dye
EINECS	Contact for details

Quality Control

Our Texas Red-X is manufactured under controlled conditions and undergoes rigorous analytical testing to ensure it meets the high-purity standards required for sensitive research and diagnostic applications. Each batch is characterized for identity, purity, and functional performance. A comprehensive Certificate of Analysis (COA) detailing specifications such as HPLC purity, absorbance/emission profiles, and functional group activity is provided to guarantee product integrity and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a freezer at -20°C or below under desiccant. This product is hygroscopic (moisture-sensitive) and light-sensitive. Allow the vial to equilibrate to room temperature in a dry environment before opening to prevent condensation and moisture uptake.

Specification

Item	Specification
Appearance	Dark red to purple solid or film
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 90%
Absorption Maximum (λmax)	~588 nm
Emission Maximum	~603 nm
Extinction Coefficient (ε)	Contact for details
Functional Activity	Conforms (by labeling test)
Moisture Content (KF)	≤ 5.0%

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