Description

Iodine-125 CAS NO 14158-31-7 is a radioactive isotope of iodine widely used as a tracer and radiation source in scientific and medical applications. Its consistent quality and specific activity are critical for ensuring the accuracy and reliability of diagnostic and research procedures. This product is essential for professionals in the pharmaceutical, life sciences, and industrial research sectors.

Application

• Radioimmunoassays (RIA) and other in-vitro diagnostic test kits.
• Medical Research as a tracer in metabolic and pharmacokinetic studies.
• Life Science Research for labeling proteins, peptides, and other biomolecules.
• Industrial Applications in non-destructive testing and thickness gauging.
• Pharmaceutical Development for drug discovery and mechanism of action studies.
• Quality Control in calibration sources for radiation detection equipment.

Basic Information

Product Name	Iodine-125
CAS No.	14158-31-7
Molecular Formula	¹²⁵I
Molecular Weight	124.904 g/mol
Synonyms	Iodine-125; I-125; Radioiodine (¹²⁵I); ¹²⁵I isotope; Iodine 125; Iodine, isotope of mass 125; UN 2910; RAI-125
EINECS	Contact for details

Quality Control

Our Iodine-125 is produced and handled under strict quality management systems to ensure radionuclidic purity, specific activity, and chemical stability. Each batch is tested to meet stringent specifications for research and diagnostic use. Certificates of Analysis (COA) detailing radionuclidic purity, specific activity, and other critical parameters are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a designated, shielded radioactive materials area at controlled room temperature (15-25°C) in accordance with all applicable local, national, and international radiation safety regulations. The product is strictly light-sensitive (protect from all light exposure).

Specification

Item	Specification
Appearance	Colorless to pale yellow solution (in specified medium)
Radionuclidic Identity	Conforms (Gamma spectrometry)
Radionuclidic Purity	≥ 99% (at reference date)
Specific Activity	Contact for details
Chemical Purity	Contact for details
pH	As specified per formulation
Radioactivity Concentration	As specified per batch

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