Description

Europium(III) Cryptate is a highly specialized coordination complex where a europium ion is encapsulated within a macrocyclic organic ligand structure. This product matters for its exceptional photophysical properties, including long-lived luminescence and sharp emission bands, which are critical for sensitive detection and measurement. It is primarily needed by researchers and manufacturers in the life sciences, diagnostics, and advanced materials sectors for applications requiring precise and stable luminescent signaling.

Application

• Time-Resolved Fluorescence (TRF) Assays: Serves as a key luminescent label or donor in immunoassays and DNA hybridization tests, leveraging its long fluorescence lifetime to eliminate background interference.
• Bioluminescence Resonance Energy Transfer (BRET): Acts as an efficient energy acceptor in proximity-based assays for studying protein-protein interactions and cellular signaling pathways.
• Diagnostic Kit Development: Used in the formulation of high-sensitivity, point-of-care and clinical diagnostic tests for various biomarkers.
• Molecular Imaging Probes: Incorporated into probes for in vitro and potentially in vivo imaging due to its photostability and tissue penetration capabilities.
• Advanced Material Research: Employed in the development of novel luminescent materials, sensors, and optoelectronic devices.
• Chemical Sensing: Functions as a core component in luminescent sensors for detecting specific anions, cations, or small molecules.

Basic Information

Product Name	Europium(III) Cryptate
CAS No.	125433-96-7
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Europium Cryptate; Europium(III) Cryptate Complex; Tris(bipyridine) Europium Cryptate; Eu³⁺ Cryptate; Lanthanide Cryptate; TRF Cryptate; DELFIA Cryptate (related technology); Homogeneous Time-Resolved Fluorescence (HTRF) Donor
EINECS	Contact for details

Quality Control

Our Europium(III) Cryptate is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and performance reliability for critical applications. Each lot undergoes comprehensive analytical testing, including assessment of luminescence quantum yield, lifetime, and purity. A Certificate of Analysis (COA) detailing specific results is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). This material is light-sensitive (store away from light). For long-term stability, consider storage under inert atmosphere if the specific formulation is sensitive to oxidation.

Specification

Item	Specification
Appearance	Solid powder or crystalline material
Identification (IR / NMR)	Conforms to structure
Purity (HPLC)	≥ 95% (Typical)
Europium Content	Contact for details
Fluorescence Lifetime	Contact for details
Extinction Coefficient	Contact for details
Solubility	Soluble in common organic solvents (e.g., DMSO, DMF)

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