Description

Fluorexon is a high-purity, specialized organic compound widely recognized as a sensitive fluorescent indicator for calcium ions. Its core value lies in its ability to form highly fluorescent complexes with calcium, making it indispensable for precise analytical and diagnostic applications. This product is essential for researchers and manufacturers in the biotechnology, pharmaceutical, and life science sectors, particularly for developing assays, diagnostic kits, and conducting vital biochemical research.

Application

• Calcium Ion Detection & Quantification: Primary use as a fluorescent probe for the selective detection and measurement of calcium (Ca²⁺) ions in aqueous solutions.
• Biochemical Assays & Research: Key component in fluorescence-based assays for studying calcium signaling, enzyme kinetics, and cellular processes.
• Clinical Diagnostics: Used in the formulation of diagnostic kits and reagents for measuring calcium levels in biological samples (e.g., serum, urine).
• Cell Biology & Physiology: Employed in fluorescence microscopy and flow cytometry to visualize and monitor intracellular calcium flux in live cells.
• Analytical Chemistry: Serves as a sensitive indicator in complexometric titrations and other analytical methods requiring high specificity for calcium.
• Quality Control in Pharmaceuticals: Applied in testing procedures for calcium-containing drug formulations and nutritional supplements.

Basic Information

Product Name	Fluorexon
CAS No.	1461-15-0
Molecular Formula	C30H26N2O13
Molecular Weight	622.53 g/mol
Synonyms	Calcein; Fluorescein Complexon; Fluorescein-1,2-bis(o-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid; Fluorescein-BAPTA; NSC 113992; 3,3'-Bis[N,N-bis(carboxymethyl)aminomethyl]fluorescein; Calcein, Free Acid; [o,o'-Bis(2-amino-2-carboxyethyl) ether of fluorescein]tetraacetic Acid
EINECS	215-968-2

Quality Control

Our Fluorexon is manufactured under strict quality management systems to ensure batch-to-batch consistency and high performance. Each lot undergoes comprehensive analytical testing, including HPLC for purity, spectroscopic identification, and heavy metal analysis. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with our stringent specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to prevent degradation.

Specification

Item	Specification
Appearance	Orange to brown-yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Fluorescence Properties	Conforms to reference standard

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