Description

Cy7 Dise(Diso3) CAS NO 916648-50-5 is a near-infrared (NIR) fluorescent dye derivative belonging to the cyanine dye family. This compound is critical for advanced bioimaging and diagnostic applications due to its deep tissue penetration and minimal background autofluorescence. It is primarily utilized by researchers and manufacturers in the biotechnology, pharmaceutical development, and medical diagnostics sectors for labeling biomolecules.

Application

• Fluorescent Labeling Agent: For conjugating to antibodies, peptides, proteins, and nucleic acids (DNA, RNA) for detection and analysis.
• In Vivo Imaging: Used in preclinical small animal imaging for tracking tumor progression, cell migration, and drug delivery.
• Flow Cytometry & Microscopy: Enables high-sensitivity detection and sorting of cells in complex biological samples.
• Biomarker Detection: Key component in the development of diagnostic assays and kits for disease detection.
• Optical Imaging Probes: Serves as a building block for synthesizing targeted NIR imaging probes and contrast agents.
• Material Science Research: Applied in the development of fluorescent sensors and functional materials for photonic applications.

Basic Information

Product Name	Cy7 Dise(Diso3) CAS NO 916648-50-5
CAS No.	916648-50-5
Molecular Formula	C58H66N4O14S3
Molecular Weight	~1131.36 g/mol
Synonyms	Cy7 Disulfo-ICG; Cyanine7 disulfonated; 1H-Benz[e]indolium, 2-[7-[1,1-dimethyl-3-(4-sulfobutyl)-1,3-dihydro-2H-benz[e]indol-2-ylidene]-1,3,5-heptatrienyl]-1,1-dimethyl-3-(4-sulfobutyl)-, inner salt; Sulfo-Cy7; NIR dye Cy7 disulfonate; Heptamethine cyanine dye disulfonate; ICG derivative Cy7
EINECS	Contact for details

Quality Control

Our Cy7 Dise(Diso3) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, mass spectrometry for identity confirmation, and spectrophotometry for optical property validation. We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with research-grade specifications.

Storage

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

Specification

Item	Specification
Appearance	Dark green to blue-green solid
Identification (HPLC/MS)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Absorption Maximum (λmax)	~750 nm ± 5 nm
Emission Maximum (λem)	~773 nm ± 5 nm
Extinction Coefficient (ε)	≥ 200,000 L·mol⁻¹·cm⁻¹

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