Description

6-(Fluorescein-5-Carboxamido)Hexanoic Acid is a high-purity, reactive derivative of fluorescein, specifically designed as a versatile labeling reagent. This compound is critical for creating stable, fluorescent conjugates with biomolecules, enabling sensitive detection and analysis. It is primarily needed by researchers and manufacturers in the fields of bioconjugation, diagnostic assay development, and advanced life science research.

Application

• Bioconjugation and Probe Synthesis: Used to label antibodies, proteins, peptides, and oligonucleotides with a bright fluorescein tag for fluorescence microscopy (FL), flow cytometry, and ELISA.
• Diagnostic Assay Development: Serves as a key fluorescent tracer in the development of lateral flow assays (LFAs), immunoassays, and other point-of-care diagnostic tools.
• Cell Biology and Imaging: Enables the fluorescent tagging of cellular components for real-time visualization and tracking in live or fixed cells.
• Biomaterial and Sensor Fabrication: Incorporated into polymers, nanoparticles, and surfaces to create fluorescent biosensors and functionalized materials.
• High-Throughput Screening (HTS): Utilized in the development of fluorescent probes for drug discovery and biochemical screening assays.

Basic Information

Product Name	6-(Fluorescein-5-Carboxamido)Hexanoic Acid
CAS No.	194661-60-4
Molecular Formula	C30H28N2O7
Molecular Weight	528.56 g/mol
Synonyms	5-(6-Carboxyhexanamido)fluorescein; 6-FAM-C6-acid; Fluorescein-5-isothiocyanate hexanoic acid derivative; 6-((5(6)-Carboxyfluorescein)amino)hexanoic acid; 5-FAM-C6-COOH; 6-(Fluorescein-5-ylcarbamoyl)hexanoic acid; 6-[(Fluorescein-5-yl)aminocarbonyl]hexanoic acid; FITC-C6-acid
EINECS	Contact for details

Quality Control

Our 6-(Fluorescein-5-Carboxamido)Hexanoic Acid is produced under strict quality management protocols to ensure batch-to-batch consistency and high performance in sensitive applications. Each lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C in a dry environment. For long-term storage, consider keeping the product desiccated at -20°C. Allow the product to equilibrate to room temperature before opening to prevent moisture condensation.

Specification

Item	Specification
Appearance	Orange to red powder
Identification (HPLC/UV)	Conforms
Purity (HPLC)	≥95.0%
Absorption Maximum (λmax)	~492 nm
Emission Maximum	~518 nm
Extinction Coefficient (ε)	~68,000 cm⁻¹M⁻¹
Water Content (KF)	≤5.0%

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