Description

Albumin Blue 670 is a specialized, high-purity fluorescent dye designed for the sensitive detection and quantification of albumin in biological samples. This compound matters because it provides a critical tool for researchers and quality control labs requiring precise, reliable protein analysis. It is primarily needed by professionals in the biotechnology, pharmaceutical, and clinical diagnostics industries for applications such as protein binding studies, electrophoresis, and assay development. Albumin Blue 670 CAS NO 140234-15-7 offers excellent specificity and a strong fluorescent signal, making it a valuable reagent for advanced analytical workflows.

Application

• Albumin Quantification Assays: Used as a key reagent in fluorometric assays for the precise measurement of albumin concentration in serum, plasma, and cell culture media.
• Protein Binding Studies: Employed in research to investigate the binding interactions between albumin and various drugs or small molecules.
• Gel Electrophoresis Staining: Functions as a sensitive fluorescent stain for detecting albumin bands in SDS-PAGE and other gel-based separation techniques.
• Diagnostic Kit Manufacturing: Incorporated into the production of clinical diagnostic kits and reagents for liver and kidney function tests.
• Biopharmaceutical Process Monitoring: Applied in downstream processing to monitor albumin levels during the purification of therapeutic proteins.
• Cell Biology Research: Utilized in imaging and flow cytometry to study albumin uptake and metabolism in live cells.

Basic Information

Product Name	Albumin Blue 670
CAS No.	140234-15-7
Molecular Formula	C29H28N2O6S2
Molecular Weight	564.67 g/mol
Synonyms	Albumin Blue 670; AB670; 2-[[4-[Bis[2-[(acetyloxy)methoxy]-2-oxoethyl]amino]-3-sulfophenyl][4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl]methylene]-1-cyclohexa-2,5-dien-1-ylidene]-N-ethyl-3-sulfo-benzenemethanaminium Hydroxide, Inner Salt; Coomassie™ Blue; Acid Blue 92 derivative; Fluorescent albumin dye; Protein binding dye
EINECS	Contact for details

Quality Control

Our Albumin Blue 670 is manufactured under strict quality management systems to ensure batch-to-batch consistency and high performance. Each lot undergoes rigorous analytical testing, including HPLC for purity and spectrophotometry for fluorescence verification, to meet the exacting standards required for research and diagnostic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and performance specifications is provided with every shipment.

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 light-sensitive (store away from light). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Dark blue to purple solid or powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 95.0%
Absorption Maximum (λmax)	670 nm ± 5 nm
Emission Maximum	695 nm ± 5 nm
Loss on Drying	≤ 2.0 %
Heavy Metals	≤ 20 ppm

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