Description

n-(m-Peg4)-N'-(4-Hydroxycyclohexyl-1-Amido-Peg4)-Cy5 is a sophisticated, bifunctional cyanine dye derivative engineered for advanced bioconjugation and labeling applications. This compound matters for its unique dual functionality, combining a reactive amine group for covalent attachment with a near-infrared fluorescent Cy5 chromophore, enabling the creation of highly specific and sensitive probes. It is primarily needed by researchers and developers in the fields of biopharmaceuticals, diagnostic assay development, and life science research, where precise biomolecule tracking and detection are critical.

Application

• Fluorescent Labeling of Biomolecules: Conjugation to antibodies, peptides, proteins, and oligonucleotides for imaging and detection.
• Development of Diagnostic Assays: Key component in fluorescence immunoassays (FIA), lateral flow tests, and in vitro diagnostics (IVD).
• Live-Cell and In Vivo Imaging: Synthesis of targeted imaging agents for near-infrared fluorescence (NIRF) microscopy and small animal imaging.
• Drug Delivery & Theranostics: Functionalization of nanoparticles, liposomes, and polymer-drug conjugates to create traceable delivery systems.
• Proteomics & Genomics Research: Tool for labeling and detecting specific proteins or nucleic acids in complex biological samples.
• Biomaterial Functionalization: Modification of surfaces, hydrogels, and scaffolds for biosensor and tissue engineering applications.

Basic Information

Item	Details
Product Name	n-(m-Peg4)-N'-(4-Hydroxycyclohexyl-1-Amido-Peg4)-Cy5
CAS No.	2107273-72-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Cy5-PEG4-NH2; Cy5 amine-PEG4; Cy5-PEG4-amine derivative; N-(Methoxy PEG4)-N'-(4-Hydroxycyclohexyl-1-Amido-PEG4)-Cyanine5; Cy5-PEG4-cyclohexylamide; Bifunctional Cy5-PEG4 linker; Cy5 fluorescent PEG linker; Near-infrared fluorescent PEG amine
EINECS	Contact for details

Quality Control

Our production of n-(m-Peg4)-N'-(4-Hydroxycyclohexyl-1-Amido-Peg4)-Cy5 adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized using advanced analytical techniques, including HPLC, NMR, and mass spectrometry, to verify identity, purity, and functional integrity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below under desiccant. This compound is hygroscopic (moisture-sensitive). Allow the sealed vial to equilibrate to room temperature before opening to minimize moisture uptake. For long-term storage, keep under an inert atmosphere such as argon or nitrogen.

Specification

Item	Specification
Appearance	Dark blue to purple solid
Identification (HPLC)	Conforms to reference standard
Identification (MS)	Conforms to structure
Purity (HPLC)	≥ 95%
Water Content (KF)	≤ 1.0%
Extinction Coefficient	Contact for details
Fluorescence Properties	Contact for details

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