Description

Ethyl Stains-All CAS NO 3028-94-2 is a specialized cationic carbocyanine dye widely recognized for its unique staining properties in analytical and diagnostic applications. This compound is valued for its high sensitivity and selectivity, enabling precise visualization and quantification in complex biological and chemical matrices. It is an essential reagent for researchers and quality control laboratories in the pharmaceutical, biotechnology, and life science sectors.

Application

• Histological Staining: Used as a fluorescent stain for nucleic acids (DNA and RNA) and proteins in tissue sections and cell cultures.
• Gel Electrophoresis: Employed for the sensitive detection and visualization of nucleic acids in agarose and polyacrylamide gels.
• Flow Cytometry: Serves as a fluorescent probe for cell cycle analysis and apoptosis detection.
• Microbiological Research: Applied in viability assays and for staining bacterial cells to study morphology and membrane integrity.
• Diagnostic Kits: A key component in the formulation of diagnostic kits for clinical and research use.
• Material Science: Used in the development of photonic materials and sensors due to its optical properties.

Basic Information

Product Name	Ethyl Stains-All
CAS No.	3028-94-2
Molecular Formula	C₃₀H₄₀ClN₃O₃
Molecular Weight	526.11 g/mol
Synonyms	Stains-All, Ethyl Stains All; 1-Ethyl-2-[3-(1-ethylnaphtho[1,2-d]thiazolin-2-ylidene)-2-methylpropenyl]naphtho[1,2-d]thiazolium Chloride; 1-Ethyl-2-[3-(1-ethyl-2(1H)-naphtho[1,2-d]thiazolylidene)-2-methyl-1-propen-1-yl]naphtho[1,2-d]thiazolium Chloride; Ethyl Stains All Dye; Stains All, Ethyl Derivative; C.I. 45010
EINECS	221-181-5

Quality Control

Our Ethyl Stains-All is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity verification and spectroscopic methods for identity confirmation, to ensure it meets the high standards required for research and diagnostic applications. Certificates of Analysis (COA) detailing purity, identity, and performance characteristics are available upon request.

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) and light-sensitive; ensure the container is kept sealed in a desiccated environment away from direct light exposure to maintain stability and performance.

Specification

Item	Specification
Appearance	Dark green to black powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0 %
Solubility	Soluble in water, methanol, DMSO
Absorption Maxima	Conforms (in specified solvent)

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