Description

Cy3.5 Diacid(Tetra So3) CAS NO 769899-30-1 is a highly functionalized, sulfonated cyanine dye derivative, engineered for superior aqueous solubility and conjugation efficiency. This compound is critical for researchers and manufacturers requiring stable, bright fluorescent labeling in aqueous and biological environments without compromising signal intensity. It is primarily needed by the biotechnology, diagnostics, and pharmaceutical development sectors for advanced applications.

Application

• Bioconjugation and Probe Synthesis: Acts as a key intermediate for creating fluorescently labeled antibodies, peptides, proteins, and oligonucleotides.
• In Vitro Diagnostics (IVD): Used in the development of fluorescent immunoassays, lateral flow tests, and flow cytometry reagents.
• Bioimaging and Microscopy: Suitable for preparing cell-permeable or cell-surface labeling probes for fluorescence microscopy and in vivo imaging due to its enhanced water solubility.
• Material Science: Employed in the functionalization of nanoparticles and polymers to create fluorescent nanomaterials for sensing and tracking.
• Drug Discovery: Utilized in high-throughput screening (HTS) assays and pharmacological studies for target identification and validation.

Basic Information

Product Name	Cy3.5 Diacid(Tetra So3)
CAS No.	769899-30-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Sulfo-Cyanine3.5 diacid; Cy3.5 Tetrasulfonate diacid; 2-[7-[1,3-Dihydro-1,1-dimethyl-3-(4-sulfobutyl)-2H-benz[e]indol-2-ylidene]-1,3,5-heptatrienyl]-1,1-dimethyl-3-(4-sulfobutyl)-1H-benz[e]indolium hydroxide, inner salt, diacid; Cyanine3.5 tetrasulfonic acid diacid; Fluorescent dye Cy3.5 tetra-SO3 diacid; Benz[e]indolium, 2-[7-(1,1-dimethyl-1,3-dihydro-3-(4-sulfobutyl)-2H-benz[e]indol-2-ylidene)-1,3,5-heptatrien-1-yl]-1,1-dimethyl-3-(4-sulfobutyl)-, inner salt, diacid
EINECS	Contact for details

Quality Control

Every batch of Cy3.5 Diacid(Tetra So3) is produced and analyzed under strict quality management systems. Our products undergo rigorous quality testing, including advanced chromatographic and spectroscopic methods, to ensure compliance with high-purity research and diagnostic standards. Comprehensive 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 at controlled room temperature (15-25°C) in a dry environment. For long-term stability, consider storage at -20°C under desiccant.

Specification

Item	Specification
Appearance	Dark green to purple solid
Identification (HPLC/MS)	Conforms to structure
Purity (HPLC)	≥ 95% (Area %)
Water Content	≤ 5.0% (KF)
Solubility	Freely soluble in water, DMSO

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