Description

n-Methyl-N'-(Hydroxy-Peg2)-Cy5 is a functionalized cyanine dye derivative, engineered for advanced bioconjugation and labeling applications. This compound matters for its ability to provide a stable, water-soluble fluorescent probe with a reactive hydroxyl-PEG2 linker, facilitating the creation of targeted imaging agents and diagnostic tools. It is essential for researchers and developers in the fields of biopharmaceuticals, in vivo imaging, and diagnostic assay development who require high-performance, customizable fluorescent tags.

Application

• Fluorescent Labeling of Biomolecules: Conjugation to antibodies, peptides, proteins, and oligonucleotides for detection and analysis.
• In Vivo and In Vitro Imaging Probes: Development of targeted contrast agents for fluorescence-guided surgery and cellular imaging studies.
• Diagnostic Assay Development: Key component in the manufacture of lateral flow assays (LFAs), ELISA kits, and other immunoassays.
• Drug Delivery & Theranostics: Functionalization of nanoparticles and drug conjugates for traceable delivery systems.
• Flow Cytometry & Microscopy: Used as a vital stain or cell surface marker in cytometry and high-content screening.
• Biomaterial and Sensor Functionalization: Incorporation into hydrogels, surfaces, and biosensors to enable optical signal transduction.

Basic Information

Product Name	n-Methyl-N'-(Hydroxy-Peg2)-Cy5
CAS No.	2107273-22-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Cy5-PEG2-OH; Hydroxy-PEG2-Cy5; N-Methyl-N'-(2-hydroxyethoxy)ethyl-Cy5; Cyanine5-PEG2-alcohol; 1-(5-Carboxypentyl)-2-((1E,3E)-5-((E)-2-((1-(2-(2-hydroxyethoxy)ethyl)-3,3-dimethylindolin-2-ylidene)ethylidene)-3-(2-((E)-1,3,3-trimethylindolin-2-ylidene)ethylidene)cyclopent-1-en-1-yl)vinyl)-3,3-dimethyl-3H-indol-1-ium; Fluorescent PEG linker
EINECS	Contact for details

Quality Control

Our n-Methyl-N'-(Hydroxy-Peg2)-Cy5 is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for sensitive life science applications. Certificates of Analysis (COA) detailing all specifications are available upon request.

Storage

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

Specification

Item	Specification
Appearance	Dark blue to purple solid
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Solubility	Soluble in DMSO, DMF, methanol, water

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